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The search for alternative, more environmentally friendly coolants to replace mineral oils in power transformers represents a relevant challenge for the power industry. In this frame, a CFD analysis is carried out by means of an open-source, conjugate heat transfer Finite Volume solver to assess the heat transfer performance of different coolants in a disc-type winding of an oil-immersed power transformer, whose geometry is taken from a reference case in the literature. Four different oils are considered: two mineral oils widely established among power transformer manufacturers, a synthetic ester and a natural ester. The latter two represent environmentally friendly alternatives to mineral oils, of great interest for the specific sector. The influence of temperature-dependent thermophysical properties on the overall flow and on the location and value of the hot spots in the copper conductors is discussed, highlighting the strength and weaknesses of the four oils as transformer coolants. In particular, the natural ester exhibits the best heat transfer performance, whereas high hot-spot temperatures and strong fluctuations are found for both mineral oils and the synthetic ester. [ABSTRACT FROM AUTHOR]

AbstractCircular feeds, such as grain dry distillers, citrus pulp, cane molasses, and potatoes peels, are co-products of biomass processes. They are currently proposed in animal nutrition to improve the environmental and economic sustainability of the food production chain. In this paper, we report a case study involving fipronil, a pesticide currently not authorized for agriculture within the EU, but used in the Americas, Eastern Europe, and Asia. Fipronil was found at a mean level of 0.49 mg/kg, in a grain dry distiller batch administered to dairy cows. This finding, along with other evidence of potential fipronil presence in feed materials, prompted us to evaluate the risk to food safety and food security from 12 different conventional and sustainable feeding regimens. To this purpose, we considered a fipronil feed-to-milk carry-over rate of 0.52, the tolerance levels in fodders and food from The EU, Codex Alimentarius, and US-EPA, and the Acceptable Daily Intake (ADI) of 0.0002 mg/kg body weight for adverse effects on thyroid function in dairy cows. Under a conservative scenario, fipronil-contaminated potato peels and grain distillers in the feeding regimens may play a pivotal role in exceeding the EU Maximum Residue Level (MRL) in bovine milk and fat (0.005 and 0.030 mg/kg, respectively). Hay-based diets with soybean hulls and cane molasses show negligible risks (Hazard Index ∼ 1). In all cases, the ADI exceedance suggests the need to evaluate thyroid function in dairy cows exposed to fipronil as a food security factor. [ABSTRACT FROM AUTHOR]

Grape seed oil (GSO) is a valuable resource for the pharmaceutical, cosmetic, and food industries due to its fatty acid composition, which provides anti-inflammatory, cardioprotective, antimicrobial, and anticancer properties. GSO is also recognized for its sensory attributes and serves as an essential component in our dietary intake, providing vital fatty acids for metabolic reactions. The enzymatic synthesis of structured lipids (SL) using GSO was investigated in this study. The SL was created by incorporating medium chain fatty acids (capric acid – C10) at the sn -1 and sn -3 positions and long chain fatty acids in the internal position of the triacylglycerols (TAG). GSO was selected based on its composition rich in unsaturated fatty acids, mainly linoleic acid. The acidolysis reactions were catalyzed by an immobilized commercial lipase Lipozyme TLIM®. The incorporation degree of C10 into GSO reached 36%. Health lipid indices were calculated to determine the C10 incorporation effect on the improvement of nutritional quality of oil. The SL showed lower oxidative stability index (OSI) values than the original oil and higher degree of fatty acid (DFA) values. The simpler, solvent-free method not only enhances the health benefits of oils but also gives valuable properties to GSO, making it an even more attractive option for food industries. [Display omitted] • Sustainable green processes for valorization of grape seed are proposed. • Enzymatic synthesis of structured lipids enhances GSO with health promoting C10 fatty acids. • Lipozyme TLIM¬Æ achieved a remarkable 36% C10 incorporation in GSO. • Simpler, solvent-free method improves GSO's health lipid indices, making it an ideal choice for food industries. [ABSTRACT FROM AUTHOR]

The paper presents the results of an investigation into the kinetics of catalytic hydrogenation of vacuum residue at temperatures of 380, 400 and 420 °C and different durations, ranging from 30 to 70 min, using a nanocatalyst containing the active metals nickel and titanium supported on chrysotile. It was found that the yield of oils from 30 to 50 wt.% and tars from 12 to 18 wt.% increased with increasing temperatures and reaction times. A slight increase in the proportion of solids in the range of 2.0 to 6.0 wt.% is explained by the activity of the nanocatalyst used. In the study of the kinetics of vacuum residue hydrogenation, using the nanocatalyst developed by the authors, we were able to achieve a low yield of solids with a short contact time as well as a high yield of low-molecular-weight compounds such as oils and tars. To determine the kinetic parameters (rate constants and activation energies), Simpson's integral method and a random search engine optimization method were used. High values of rate constants are characteristic of reactions in the formation of oils k1, tars k2 and asphaltenes k3 in the temperature range of 380–420 °C. The high values of the rate constants k1, k2 and k3 in the catalytic hydrogenation of the vacuum residue indicate the high reaction rate and activity of the nanocatalyst used. With an increase in temperature from 380 to 420 °C, the rate constant of the formation of gas products from vacuum residue and the conversion of asphaltenes into oils significantly increase, which indicates the accumulation of low-molecular-weight compounds in oils. The activation energy for reactions leading to the formation of oils, tars, asphaltenes, gas and solid products was 75.7, 124.8, 40.7, 205.4 and 57.2 kJ/mol, respectively. These data indicate that the processes of vacuum residue hydrogenation with the formation of oils and asphaltenes require the lowest energy inputs. Reducing the process temperature to increase the selectivity of the vacuum residue hydrogenation process when using the prepared nanocatalyst is recommended. The formation of oils at the initial stage plays a key role in the technology of the heavy hydrocarbon feedstock (HHF) hydrogenation process. Perhaps the resulting oils can serve as an additional solvent for high-molecular-weight products such as asphaltenes, as evidenced by the low activation energy of the process. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Plant Production is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The paper presents the results of an investigation into the kinetics of catalytic hydrogenation of vacuum residue at temperatures of 380, 400 and 420 °C and different durations, ranging from 30 to 70 min, using a nanocatalyst containing the active metals nickel and titanium supported on chrysotile. It was found that the yield of oils from 30 to 50 wt.% and tars from 12 to 18 wt.% increased with increasing temperatures and reaction times. A slight increase in the proportion of solids in the range of 2.0 to 6.0 wt.% is explained by the activity of the nanocatalyst used. In the study of the kinetics of vacuum residue hydrogenation, using the nanocatalyst developed by the authors, we were able to achieve a low yield of solids with a short contact time as well as a high yield of low-molecular-weight compounds such as oils and tars. To determine the kinetic parameters (rate constants and activation energies), Simpson’s integral method and a random search engine optimization method were used. High values of rate constants are characteristic of reactions in the formation of oils k1, tars k2 and asphaltenes k3 in the temperature range of 380–420 °C. The high values of the rate constants k1, k2 and k3 in the catalytic hydrogenation of the vacuum residue indicate the high reaction rate and activity of the nanocatalyst used. With an increase in temperature from 380 to 420 °C, the rate constant of the formation of gas products from vacuum residue and the conversion of asphaltenes into oils significantly increase, which indicates the accumulation of low-molecular-weight compounds in oils. The activation energy for reactions leading to the formation of oils, tars, asphaltenes, gas and solid products was 75.7, 124.8, 40.7, 205.4 and 57.2 kJ/mol, respectively. These data indicate that the processes of vacuum residue hydrogenation with the formation of oils and asphaltenes require the lowest energy inputs. Reducing the process temperature to increase the selectivity of the vacuum residue hydrogenation process when using the prepared nanocatalyst is recommended. The formation of oils at the initial stage plays a key role in the technology of the heavy hydrocarbon feedstock (HHF) hydrogenation process. Perhaps the resulting oils can serve as an additional solvent for high-molecular-weight products such as asphaltenes, as evidenced by the low activation energy of the process.

Abstract Background Obesity is a major public health issue with no definitive treatment. The first-line approach for obesity is lifestyle modification, including a healthy diet. Although the amount of fat has been considered, there is no network meta-analysis (NMA) study investigating the effect of edible oils on body weight. Therefore, we sought to investigate the effect of different edible oils on body weight using a systematic review and NMA study of randomized controlled trials (RCTs). Method PubMed, Scopus, ISI Web of Science, and the Cochrane Library were searched from inception to April 2019. RCTs of different edible oils for body weight were included. A frequentist network meta-analysis was conducted to appraise the efficacy of different types of edible oils, and the Surface Under the Cumulative Ranking Curve (SUCRA) was estimated. The GRADE framework was used to assess the certainty of evidence. Results Forty-two eligible studies were included. Most of the included trials examined the effect of olive oil compared to canola oil (n = 7 studies), followed by canola oil compared to sunflower oil (n = 6 studies), and olive oil compared to sunflower oil (n = 4 studies). Sesame oil had the highest SUCRA value for reducing weight (SUCRA value = 0.9), followed by the mixture of canola and sesame oil (0.8). Palm oil and soy oil were ranked the lowest (SUCRA value = 0.2). Conclusion There is low to moderate certainty of evidence showing that soybean, palm, and sunflower oils were associated with weight gain, while sesame oil produced beneficial anti-obesity effects.

Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous contaminants generally found in complex mixtures. PAHs are known to cause pleiotropic effects on living organisms, including developmental defects, mutagenicity, carcinogenicity and immunotoxicity, and endocrine disruptions. The main goal of this study is to evaluate the toxicity of water-accommodated fractions (WAFs) of oils in two life stages of the Japanese medaka, larvae and juveniles. The deleterious effects of an acute exposure of 48 h to two WAFs from Arabian light crude oil (LO) and refined oil from Erika (HO) were analyzed in both stages. Relevant endpoints, including ethoxy resorufin-O-deethylase (EROD) activity, DNA damage (Comet assay), photomotor response, and sensitivity to nervous necrosis virus (NNV) infection, were investigated. Larvae exposed to both oil WAFs displayed a significant induction of EROD activity, DNA damage, and developmental anomalies, but no behavioral changes. Deleterious effects were significantly increased following exposure to 1 and 10 μg/L of LO WAFs and 10 μg/L of HO WAFs. Larval infection to NNV induced fish mortality and sharply reduced reaction to light stimulation. Co-exposure to WAFs and NNV increased the mortality rate, suggesting an impact of WAFs on fish defense capacities. WAF toxicity on juveniles was only observed following the NNV challenge, with a higher sensitivity to HO WAFs than to LO WAFs. This study highlighted that environmentally realistic exposure to oil WAFs containing different compositions and concentrations of oil generated high adverse effects, especially in the larval stage. This kind of multi-marker approach is particularly relevant to characterize the toxicity fingerprint of environmental mixtures of hydrocarbons and PAHs. [ABSTRACT FROM AUTHOR]

Background: Obesity is a major public health issue with no definitive treatment. The first-line approach for obesity is lifestyle modification, including a healthy diet. Although the amount of fat has been considered, there is no network meta-analysis (NMA) study investigating the effect of edible oils on body weight. Therefore, we sought to investigate the effect of different edible oils on body weight using a systematic review and NMA study of randomized controlled trials (RCTs). Method: PubMed, Scopus, ISI Web of Science, and the Cochrane Library were searched from inception to April 2019. RCTs of different edible oils for body weight were included. A frequentist network meta-analysis was conducted to appraise the efficacy of different types of edible oils, and the Surface Under the Cumulative Ranking Curve (SUCRA) was estimated. The GRADE framework was used to assess the certainty of evidence. Results: Forty-two eligible studies were included. Most of the included trials examined the effect of olive oil compared to canola oil (n = 7 studies), followed by canola oil compared to sunflower oil (n = 6 studies), and olive oil compared to sunflower oil (n = 4 studies). Sesame oil had the highest SUCRA value for reducing weight (SUCRA value = 0.9), followed by the mixture of canola and sesame oil (0.8). Palm oil and soy oil were ranked the lowest (SUCRA value = 0.2). Conclusion: There is low to moderate certainty of evidence showing that soybean, palm, and sunflower oils were associated with weight gain, while sesame oil produced beneficial anti-obesity effects. [ABSTRACT FROM AUTHOR]

Background Occupational short-latency respiratory disease (SLRD; predominantly asthma, rhinitis, hypersensitivity pneumonitis, and occupational infections) prevalence is difficult to determine but certain occupations may be associated with increased susceptibility. Aims This study aimed to examine which occupations and industries are currently at high risk for SLRD and determine their respective suspected causal agents. Methods SLRD cases reported to the SWORD scheme between 1999 and 2019 were analysed to determine directly standardized rate ratios (SRR) by occupation against the average rate for all other occupations combined. Results 'Bakers and flour confectioners' and 'vehicle spray painters' showed significantly raised SRR for SLRD in general, mostly due to occupational rhinitis (234.4; 95% CI 200.5–274.0) and asthma (63.5; 95% CI 51.5–78.3), respectively. Laboratory technicians also showed significantly raised SRR for occupational rhinitis (18.7; 95% CI 15.1–23.1), primarily caused by laboratory animals and insects. Metal machining setters and setter-operators showed increased SRR for occupational hypersensitivity pneumonitis (42.0; 95% CI 29.3–60.3), largely due to cutting/soluble oils. The occupation mostly affected by infectious disease was welding trades (12.9; 95% CI 5.7–29.3), mainly attributable to microbial pathogenicity. Conclusions This study identified the occupational groups at increased risk of developing an SLRD based on data recorded over a recent two-decade period in the UK. Occupational asthma and rhinitis were identified as the prevailing conditions and hypersensitivity pneumonitis as a potentially rising respiratory problem in the metalworking industry. [ABSTRACT FROM AUTHOR]

This systematic review and meta‐analysis aimed to consolidate evidence on dietary interventions for atopic eczema/dermatitis (AD) skin symptoms in children without food allergies, following PRISMA 2020 guidelines. Systematic review updates were conducted in May 2022 and June 2023, focusing on randomized placebo‐controlled trials (RCTs) involving children with AD but without food allergies. Specific diets or supplements, such as vitamins, minerals, probiotics, prebiotics, symbiotics, or postbiotics, were explored in these trials. Exclusions comprised descriptive studies, systematic reviews, meta‐analyses, letters, case reports, studies involving elimination diets, and those reporting on food allergens in children and adolescents. Additionally, studies assessing exacerbation of AD due to food allergy/sensitization and those evaluating elimination diets' effects on AD were excluded. Nutritional supplementation studies were eligible regardless of sensitization profile. Evaluation of their impact on AD clinical expression was performed using SCORAD scores, and a meta‐analysis of SCORAD outcomes was conducted using random‐effect models (CRD42022328702). The review encompassed 27 RCTs examining prebiotics, Vitamin D, evening primrose oil, and substituting cow's milk formula with partially hydrolyzed whey milk formula. A meta‐analysis of 20 RCTs assessing probiotics, alone or combined with prebiotics, revealed a significant reduction in SCORAD scores, suggesting a consistent trend in alleviating AD symptoms in children without food allergies. Nonetheless, evidence for other dietary interventions remains limited, underscoring the necessity for well‐designed intervention studies targeting multiple factors to understand etiological interactions and propose reliable manipulation strategies. [ABSTRACT FROM AUTHOR]

• Using the pads containing lavender and ylang ylang oil in healthy volunteers and high blood pressure volunteers was safe. • The pads containing lavender and ylang ylang oil significantly improved quality of life, such as weakness, physical function, and emotions. • Blood pressure of the pads containing lavender and ylang ylang oil group after at least 30 min use was significantly lower than before using the pad. • The systolic blood pressure difference and pulse rate difference were superior in the pads containing lavender and ylang ylang oil group compared to the placebo group. Hypertension is one of the most dangerous diseases. However, medicine for hypertension may cause adverse effects. Thus, alternative treatments may be beneficial to patients. The aims of the study were to evaluate efficacy and safety of sticker pads containing lavender and ylang ylang oil (LY pads) on decrease blood pressure. The LY pads had been developed since 2018. The safety of LY pads in healthy volunteers' study and the efficacy and safety of LY pads in high blood pressure volunteers' study were conducted at Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand in October 2020 to December 2022. In the safety of LY pads in healthy volunteers' study, the LY pad was attached to the shirts of 56 healthy volunteers for 2 h. Adverse reactions, irritation score, and quality of life were assessed. In the efficacy and safety of the LY pads in high blood pressure volunteers' study, 34 high blood pressure volunteers were randomly divided into the LY group or the placebo group. The volunteers attached the pad to their shirt for 14 days. Blood pressure, pulse rate, and adverse reactions were investigated. The LY pad was safe for humans. Using the LY pad for 2 h had no significant adverse reactions in healthy volunteers. Moreover, it significantly improved quality of life (p <0.05). The blood pressure of the LY pad group after at least 3 days use was significantly lower than before using the pad (p <0.05). The systolic blood pressure difference and pulse rate difference were also superior in the LY pad group compared to the placebo group (p <0.05). The LY pad was safe in healthy volunteers and could reduce blood pressure in high blood pressure volunteers without adverse effects. Thus, it may be a supportive or alternative treatment for hypertension. [ABSTRACT FROM AUTHOR]

We have carried out a correlation analysis to study relationships between the trace element (TE) composition of mud-volcanic and carbon dioxide fluids in the Greater Caucasus on the one hand and the chemical composition of upper, middle, and lower crust, as well as various kinds of biota on the other hand. It has turned out to be possible to relate the roots of the associated fluid flows with definite stages of the Earth's crust, as well as to point out, in several cases, the kind of the dominant original organic matter. The roots of both carbon dioxide fluids and mud-volcanic fluids were shown to reside in the middle crust. We have compared correlative relationships for deep-seated fluids in the Caucasus with those for oils in several major oil-gas basins in Russia and in the fluid systems of Kamchatka. [ABSTRACT FROM AUTHOR]

Introduction: Discomfort, fear, and pain are major challenges for pregnant women during childbirth, potentially impeding the progress of labour. Many women opt for non-pharmacological methods, such as moxibustion, acupressure, and essential oil aromatherapy, to avoid medical induction due to their simplicity, accessibility, and cost-effectiveness. This study aims to evaluate the effectiveness of these combined methods in reducing pain and accelerating cervical dilation during childbirth. Method: This study employed a quantitative research design with a two-group pre-post test approach. The sample comprised 30 parturient women in the first stage of labour at the Independent Midwifery Practice within the Denpasar Health Centre’s service area, divided into intervention and control groups. Data analysis was conducted to evaluate differences in pain management between the two groups using the Wilcoxon test, while the effectiveness of cervical dilation treatment in both groups was assessed using the Mann-Whitney test. Results: The findings indicated a significant difference in pain levels (0.000 < 0.05) following the application of the moxibustion method with acupressure and essential oil aromatherapy. However, there was no significant difference in cervical dilation between the control and intervention groups post-treatment (0.902 > 0.05). Conclusion: The moxibustion method, combined with acupressure and essential oil aromatherapy, did not show a significant difference in cervical dilation between the control and intervention groups. This study has several limitations, including a relatively small sample size and a short observation period.

Omega‐3 fatty acid supplements, such as fish oil and plant‐based oils, have gained popularity because of their potential health benefits. However, the quality and composition of these supplements can vary widely, particularly in terms of the two main forms of omega‐3 fatty acids: triacylglycerols (TAGs) and ethyl esters (EEs). TAGs are the natural form found in fish oil but are prone to oxidation, whereas EEs are more stable but less well absorbed by the body. Differentiating between these forms is crucial for assessing the efficacy and tolerance of omega‐3 supplements. This article describes a novel approach to differentiate between TAG and EE forms of omega‐3 fatty acids in dietary supplements, utilizing a 60‐MHz benchtop nuclear magnetic resonance (NMR) spectrometer. The proposed method using 1H and 1H‐1H COSY NMR provides a quick and accurate approach to screen the forms of omega‐3 fatty acids and evaluate their ratios. The presence of diacylglycerol (DAGs) in some supplements was also highlighted by this method and adds some information about the process used (i.e., esterification/enrichment). The affordability and user‐friendliness of benchtop NMR equipment make this method feasible for food processing companies or quality control laboratories. In this study, 24 oil supplements were analyzed using NMR analysis in order to demonstrate the potential of this method for the differentiation of TAG and EE forms in omega‐3 supplements. [ABSTRACT FROM AUTHOR]

Introduction: There are several oral diseases caused by various microorganisms. In this work, we discuss periodontal pathogens, which cause chronic degenerative damage in the supporting tissues of teeth. This is why several treatments have been developed for their eradication, including phytocomponents and essential oils as an option in antimicrobial therapy. Objective: The aim of this study was to determine the inhibitory effect of the essential oil of the plant species Schinus molle L. native to Ecuador on strain of Porphyromonas gingivalis at different concentrations. Methodology: This was a laboratory and longitudinal study in which the Porphyromonas gingivalis ATCC 33277 strain was cultured in 20 Petri dishes, working with several exposure subgroups, including Group 1 - 50% essential oil of Schinus molle leaves; Group 2 - 100% essential oil of Schinus molle L.; Group 3 - 0.12% chlorhexidine (positive control); Group 4 - saline solution (negative control) with different incubation periods of 24 and 72 hours. Results: The Porphyromonas gingivalis ATCC 33277 sample exposed to 100% plant species Schinus molle L. for 24 hours had an inhibition zone of 15 mm, demonstrating high sensitivity, and exposure for 72 hours produced a zone of 14 mm, also suggesting sensitivity. Exposure to S. molle L. at 50% for 24 hours produced a zone of inhibition of 9.65 mm, showing sensitivity; however, it is worthwhile to continue developing and evaluating this area of study. Conclusions: This study demonstrates that phytotherapy using the essential oil of the plant species Schinus molle L. represents a therapeutic option in cases of infections caused by Porphyromonas gingivalis. [ABSTRACT FROM AUTHOR]

Sacha inchi seed oil is a food matrix rich in bioactive constituents, mainly polyunsaturated fatty acids. In this study, the characteristics of color, carotenoid content, tocopherols, and volatile aroma compounds in eight sacha inchi seed (Plukenetia volubilis L.) oil accessions were evaluated. Results showed that the oil obtained from the accessions presented a lightness and chroma of 91 to 98 units and 6 to 10 units respectively, while the hue angle ranged between 93 to 97 units. The total carotenoid content in the different accessions ranged from 0.6 to 1.5 mg/kg, while γ- and δ-tocopherol ranged from 861.6 to 1142 mg/kg and 587 to 717.1 mg/kg. In addition, the total content of tocopherols varied between 1450 and 1856 mg/kg and the δ/γ ratio ranged between 0.58 and 0.70. The oils from the accessions PER000408 (861 µg/kg) and PER000411 (896 µg/kg) were those with the higher volatile concentration, especially 1-hepten-3-ol, 2-nonanol, (E)-3-hexen-1-ol, (E)-2-hexenal, and 1-hexanol. In this study, the variability of the oil obtained from 8 accessions were observed, from which promising accessions can be selected for continuous investigations of the new sacha inchi seed genotypes. [ABSTRACT FROM AUTHOR]

Background: Herbal medicine and its bioproducts are rich in bioactive compounds that promising in drug development. These phytochemical constituents may be secondary metabolites that exert high potency. Materials and Methods: This study investigated the phyto-constituents bioactive compounds from the aerial parts of some Saudi medicinal plants using n-hexane extracts (Trichodesma trichodesmoides, Baccharoides schimperi, Anabasis articulate and Achillea fragrantissima) and a mixture of essentials oils in equal ratio (Arnica montana, Chamomile, Salvia officinalis, Oenothera, Walnut leaves and Flaxseed) using GC-MS. Results: The GC-MS analysis of plants and essentials oils revealed the presence of various compounds like terpenoids and vitamins related to its anti-microbial activity, antioxidant and anti-inflammatory activity. Conclusion: It was concluded that, the broad range of terpenoids and vitamins are the main components in the hexane extract. These possess different biological activities. Further studies will be carried out in vivo and in vitro to identify the mechanism of action via signaling pathway. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Food Safety & Quality is the property of Journal of Food Safety & Quality Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The composition of the products of cracking of oil shale (OS) from the Kashpirskoe deposit and kerogen isolated from it has been studied. The influence of OS mineral components on the material balance and qualitative composition of cracking products was shown. It was found that the amount of gaseous and solid products in kerogen cracking products decreased, and the yield of liquid products increased. The removal of mineral components from OS led to an increase in the oil content and a decrease in asphaltenes in liquid cracking products; the resin content changed slightly, and the yield of light fractions increased. The effects of mineral components on the structural-group characteristics of resins and asphaltenes in liquid cracking products were determined. The absence of mineral components led to an enlargement of resin molecules; on the contrary, asphaltene molecules became more compact. [ABSTRACT FROM AUTHOR]

Introduction: The use of natural products such as essential oils has been suggested due to their promising pharmacological effects and economic viability. This study aimed to determine hydrogenic potential (pH), titratable acidity (TA), and ion concentrations of five solutions containing essential oils (EO), when used as a EO-containing solutions, and evaluate ion concentrations, enamel surface loss, and morphology alterations in enamel. Materials and methods: The pH, TA, calcium (Ca), potassium (K), and sodium (Na) concentrations of five EO-containing solutions were measured. Bovine enamel specimens were submitted to two daily 30-s immersions in artificial saliva, citric acid, distilled water, BaCloTea (Basil, Clove e Tea Tree), GeLaTeaPep (Geranium, Lavender, Tea Tree and Peppermint), EucaLem (Eucalyptus and Lemon), Cinnamon, or Spearmint solutions for 14 days. Ca, K, Na, and phosphorus (P) were quantified through ions chromatography, enamel surface loss was determined by profilometry, and surface morphology was qualitatively analyzed through scanning electron microscopy. Data were submitted to one-way ANOVA and Tukey (p < 0.05). Results: The five EO-containing solutions presented significantly lower pH values than distilled water (p < 0.05). The GeLaTeaPep group presented a significantly higher TA value than BaCloTea (p < 0.05), which in turn showed a significantly higher TA value than the other solutions (p < 0.05). The distilled water presented significantly higher Ca, K, and Na concentrations than all EO-containing solutions (p < 0.05). The enamel exposed to EO-containing solutions showed lower Ca and P concentrations than artificial saliva (control) as well as significantly higher surface loss; however, the surface morphology was similar to the artificial saliva. Conclusion: EO-containing solutions have low pH, TA, and low concentrations of Ca, Na, and K. Moreover, enamel exposed to these solutions showed low Ca and P concentrations and slight surface loss without morphology alteration. [ABSTRACT FROM AUTHOR]

This scoping review for the Nordic Nutrition Recommendations 2023 summarizes the available evidence on fats and oils from a food level perspective. A literature search for systematic reviews (SRs) and meta-analyses was conducted in PubMed. There are few SRs and meta-analyses available that investigate the association between fats and oils (food level) and health outcomes; the majority report associations at the nutrient level (fatty acid classes). All identified SRs and meta-analyses were of low methodological quality, thus the findings and conclusions presented within this scoping review should be interpreted cautiously. Based on this limited evidence, the following results were indicated: the intake of olive oil may be associated with reduced risk of cardiovascular disease (CVD), type 2 diabetes (T2D), and total mortality in prospective cohort studies. The intake of butter was not associated with the risk of CVD but may be related to slightly lower risk of T2D and higher risk of total mortality in prospective cohort studies. For cancer, the evidence is sparse and primarily based on case-control studies. The intake of olive oil may be associated with reduced risk of cancer, whereas the intake of butter may be associated with increased risk of certain cancer types. Butter increases LDL-cholesterol when compared to virtually all other fats and oils. Palm oil may increase LDL-cholesterol when compared to oils rich in MUFA or PUFA but may not have any effect on glucose or insulin. Coconut oil may increase LDL-cholesterol when compared to other plant oils but may decrease LDL-cholesterol when compared to animal fats rich in SFA. Canola/rapeseed oil may decrease LDL-cholesterol compared to olive oil, sunflower oil and sources of SFA and may also reduce body weight compared to other oils. Olive oil may decrease some inflammation markers but may not have a differential effect on LDL-cholesterol compared to other fats and oils. The effect on risk markers likely differs depending on the type/version of oil, for example, due to the presence of polyphenols, phytosterols and other minor components. Taken together, based on the available evidence, oils rich in unsaturated fat (e.g. olive oil, canola oil) are to be preferred over oils and fats rich in saturated fat (e.g. butter, tropical oils).

Soybean as a member of the legume family has a high economic value, thanks to the high protein and oil content of the seed. I n addition, its importance is evidenced by its breeding potential and symbiosis with nodulating bacteria, which facilitates production in increasingly extreme climatic conditions and degraded soil conditions. Considering the need to search for optimal solutions in the production of this legume, in order to achieve high yields and grain quality, research was conducted to determine the effect of applying a microbiological preparation containing effective microorganisms on the yield, and protein and oil content of soybeans. Research was conducted in the period 2016-2018 (factor A), on 6 different soybean genotypes belonging to different ripening groups: 0 (Galina and Valjevka), I (Sava and NS Apolo) and II (Rubin and NS Zita) (factor B), and under fertilization treatments: F0 - control, F1 - NPK fertilizer, and F2 - NPK + microbiological preparation (incorporated into the soil and two foliar treatments) (factor C). It was shown that the application of NPK fertilization treatment in combination with effective microorganisms was the most beneficial for all investigated parameters, with a high statistical significance. This treatment increased yield by 15.67%, protein content by 0.34% and oil content by 0.47% compared to the control. The additional importance of this research is the simultaneous positive impact on protein and oil contents in soybeans, given that they are generally negatively correlated.

Backgraound: Polysaccharides, particularly Carboxymethyl Cellulose (CMC) and Ammoniacum Gum (AMG), are considered valuable due to their thermal stability and non-toxicity. CMC has good film-forming ability but weak mechanical properties, while AMG shows promise with its unique chemical composition. Additionally, essential oils, such as Clove Essential Oil (CEO), are being used to enhance the antimicrobial properties of edible films, offering a natural way to extend the shelf life of food products. Methods: This study investigated the combined effect of CMC: 0.5-1.5 wt %, AMG: 1-5 wt %, as well as CEO: 0-30 v/v % on the physical characteristics of the CMC-AMG films by Response Surface Methodology. The optimization was performed with the aim of maximizing Whiteness Index, Ultimate Tensile Strength (UTS), and Strain at Break (SB) and minimizing total color difference (ΔE) values. Fourier-Transform Infrared Spectroscopy, film microstructure, Differential Scanning Calorimeter analysis, and antibacterial activity were investigated. The analysis was conducted using Design Expert software version 10.00 (STAT-EASE Inc., Minneapolis, USA). Result: The films with the highest UTS have been obtained through a composition of 5 g CMC, 1.5 g AMG, and 15% CEO. On the contrary, using a composition of 5 g CMC, 1 g AMG, and 30% CEO revealed the highest SB (115.41%). The highest UTS value of 13.17 MPa was obtained with a formulation consisting of 5% AMG, 1.5% CMC, and 15% CEO. Nevertheless, the maximum SB value of 115.41% was achieved with a formulation containing 5% AMG, 1% CMC, and 30% CEO. Moreover, heterogeneous microstructure and more opaque films were obtained as identified by the higher ΔE. The Differential Scanning Calorimeter results demonstrated that incorporating a CEO did not impinge on thermal stability. Furthermore, the addition of CEO led to a rise in antimicrobial activity against Salmonella enterica, Pseudomonas fluorescens, Escherichia coli, and Listeria monocytogenes. Conclusion: In conclusion, combination of CMC and AMG in optimum levels, led to the production of a film with acceptable mechanical properties. Also, these films showed significant antimicrobial activity. DOI: 10.18502/jfqhc.10.4.14178

The search for alternative, more environmentally friendly coolants to replace mineral oils in power transformers represents a relevant challenge for the power industry. In this frame, a CFD analysis is carried out by means of an open-source, conjugate heat transfer Finite Volume solver to assess the heat transfer performance of different coolants in a disc-type winding of an oil-immersed power transformer, whose geometry is taken from a reference case in the literature. Four different oils are considered: two mineral oils widely established among power transformer manufacturers, a synthetic ester and a natural ester. The latter two represent environmentally friendly alternatives to mineral oils, of great interest for the specific sector. The influence of temperature-dependent thermophysical properties on the overall flow and on the location and value of the hot spots in the copper conductors is discussed, highlighting the strength and weaknesses of the four oils as transformer coolants. In particular, the natural ester exhibits the best heat transfer performance, whereas high hot-spot temperatures and strong fluctuations are found for both mineral oils and the synthetic ester.

Faced with the situation of overcapacity in domestic refining capacity, it is imperative for refineries to transform towards chemical industry. Due to the highly periodicity of both the oil and chemical markets, refineries need to improve the production flexibility of clean oil and chemical feedstocks during the transformation process in order to maximize refinery revenue. Based on the typical overall process processing route of domestic refineries, a virtual refinery was designed. A flexible transformation scheme for the overall process with catalytic cracking as the core means was studied and designed for this virtual refinery: cracking gasoline was used to produce chemicals through a hydrogenation extraction unit, and cracking gasoline was used to produce clean oil through an S Zorb unit after appropriate treatment. Compared with the basic scheme, the total yield of gasoline and diesel in the catalytic cracking chemical production scheme decreased by 11. 20 percentage points, while the yield of olefins and aromatics increased by 5. 15 percentage points and 6. 39 percentage points, respectively, while the total crude oil processing volume remained unchanged. The total yield of gasoline and diesel in the catalytic cracking scheme for producing clean oil products decreased by 3. 55 percentage points, while the yield of olefins and aromatics increased by 4. 69 percentage points and 2. 15 percentage points, respectively. [ABSTRACT FROM AUTHOR]

As the clutch friction stability in dual-clutch transmissions has been continuously improved over the last decade, wear protection of high loaded mechanical contacts has become increasingly important and mechanical failures have been observed at the end of extended oil drain intervals. A test method was established based on standard equipment already used for transmission fluid development. A modified FZG four-square test rig allows ageing a reduced oil volume to not decelerate development times. Applicability was demonstrated by ageing four full formulated transmission fluids using the new approach and comparing the results to aged transmission fluids sampled from durability testing. The oils aged with the FZG rig exhibit the same characteristics of scuffing load capacity degradation as observed in full transmission systems. However, in the full transmission system, the degradation starts at lower applied specific work, most likely due to the different system complexity. It is pointed out that not only the thermal load but also the tribological stresses have to be considered to mimic oil ageing. [ABSTRACT FROM AUTHOR]

Bioactive compounds extracted from plum seeds were identified and quantified, aiming to establish how the brandy manufacturing process affects the properties and possible cascade valorization of seed residues. Extraction with n-hexane using Soxhlet has provided oils rich in unsaturated fatty acids (92.24–92.51%), mainly oleic acid (72–75.56%), which is characterized by its heart-healthy properties. The fat extracts also contain tocopherols with antioxidant and anti-inflammatory properties. All the ethanol–water extracts of the defatted seeds contain neochlorogenic acid (90–368 µg·g−1), chlorogenic acid (36.1–117 µg·g−1), and protocatechuate (31.8–100 µg·g−1) that have an impact on bioactive properties such as antimicrobial and antioxidant. Anti-amyloidogenic activity (25 mg·mL−1) was observed in the after both fermentation and distillation extract, which may be related to high levels of caffeic acid (64 ± 10 µg·g−1). The principal component analysis showed that all plum seed oils could have potential applications in the food industry as edible oils or in the cosmetic industry as an active ingredient in anti-aging and anti-stain cosmetics, among others. Furthermore, defatted seeds, after both fermentation and distillation, showed the greatest applicability in the food and nutraceutical industry as a food supplement or as an additive in the design of active packaging. [ABSTRACT FROM AUTHOR]

Introduction. The control and monitoring of Polycyclic Aromatic Hydrocarbons (PAHs) is still not a permanent concern for environmental quality regulatory institutions in many parts of the world. That is why it is necessary to pay attention to this unresolved issue. Objective. In our work, the presence of PAHs in edible oils, and recovered motor oils, diesel fuel, lubricating oils, is determined to call attention to these substances, of systematic use in human activity, as an alert of consideration for food safety and in general for the guarantee of an environmentally and physically healthy life. Materials and methods. The identification of PAHs was carried out by High-Performance Liquid Chromatography (HPLC), comparing the chromatogram of the standard with that of the samples analyzed. Results. The significant presence of PAHs in petroleum derivatives and edible oils is demonstrated. Conclusions. All of the above requires the attention of the regulatory authorities of environmental and health quality for the sustainable conservation of life. [ABSTRACT FROM AUTHOR]

Recent studies have demonstrated that Sirtuin-1 (SIRT-1)-activating molecules exert a protective role in degenerative ocular diseases. However, these molecules hardly reach the back of the eye due to poor solubility in aqueous environments and low bioavailability after topical application on the eye's surface. Such hindrances, combined with stability issues, call for the need for innovative delivery strategies. Within this context, the development of self-nanoemulsifying drug delivery systems (SNEDDS) for SIRT-1 delivery can represent a promising approach. The aim of the work was to design and optimize SNEDDS for the ocular delivery of two natural SIRT-1 agonists, resveratrol (RSV) and melatonin (MEL), with potential implications for treating diabetic retinopathy. Pre-formulation studies were performed by a Design of Experiment (DoE) approach to construct the ternary phase diagram. The optimization phase was carried out using Response Surface Methodology (RSM). Four types of SNEDDS consisting of different surfactants (Tween® 80, Tween® 20, Solutol® HS15, and Cremophor® EL) were optimized to achieve the best physico-chemical parameters for ocular application. Stability tests indicated that SNEDDS produced with Tween® 80 was the formulation that best preserved the stability of molecules, and so it was, therefore, selected for further technological studies. The optimized formulation was prepared with Capryol® PGMC, Tween® 80, and Transcutol® P and loaded with RSV or MEL. The SNEDDS were evaluated for other parameters, such as the mean size (found to be ˂50 nm), size homogeneity (PDI < 0.2), emulsion time (around 40 s), transparency, drug content (>90%), mucoadhesion strength, in vitro drug release, pH and osmolarity, stability to dilution, and cloud point. Finally, an in vitro evaluation was performed on a rabbit corneal epithelial cell line (SIRC) to assess their cytocompatibility. The overall results suggest that SNEDDS can be used as promising nanocarriers for the ocular drug delivery of RSV and MEL. [ABSTRACT FROM AUTHOR]

The results of the study of the influence of fluorocarbon compounds of the type (СХ)n on the antifriction and antiwear properties of tribocompounds are presented. It is shown that in conditions of extreme lubrication of gears and bearings, these compounds have good prospects for use as additives and additives to oils. Mechanisms of lubricating action and some examples of practical application are considered. The developed methods of using carbonofluorides include running-in of friction nodes in environments that contain carbonofluorides, introduction of carbonofluoride additives in oils, plastic lubricants, lubricating-cooling and hydraulic fluids. Approbation of these methods in friction nodes of gas turbine engines (GTD) showed the prospect of their wide use in aviation technology. The most important results of the test are that in the presence of carbonofluorides, the service life and maximum allowable contact stresses of rolling bearings and gears can be significantly increased, and after the introduction of carbonofluorides, the friction nodes become less sensitive to the quality of lubricants. [ABSTRACT FROM AUTHOR]

Contamination of the aqueous environment caused by the presence of heavy metal ions and oils is a growing concern that must be addressed to reduce their detrimental impact on living organisms and safeguard the environment. Recent efficient and environmentally friendly remediation methods for the treatment of water are based on third-generation bioaerogels as emerging applications for the removal of heavy metal ions and oils from aqueous systems. The peculiarities of these materials are various, considering their high specific surface area and low density, together with a highly porous three-dimensional structure and tunable surface chemistry. This review illustrates the recent progress in aerogels developed from cellulose and chitosan as emerging materials in water treatment. The potential of aerogel-based adsorbents for wastewater treatment is reported in terms of adsorption efficacy and reusability. Despite various gaps affecting the manufacturing and production costs of aerogels that actually limit their successful implementation in the market, the research progress suggests that bio-based aerogels are ready to be used in water-treatment applications in the near future. [ABSTRACT FROM AUTHOR]

Spectral indices are of fundamental importance in providing insights into the distinctive characteristics of oil spills, making them indispensable tools for effective action planning. The normalized difference oil index (NDOI) is a reliable metric and suitable for the detection of coastal oil spills, effectively leveraging the visible and near-infrared (VNIR) spectral bands offered by commercial sensors. The present study explores the calculation of NDOI with a primary focus on leveraging remotely sensed imagery with rich spectral data. This undertaking necessitates a robust infrastructure to handle and process large datasets, thereby demanding significant memory resources and ensuring scalability. To overcome these challenges, a novel cloud-based approach is proposed in this study to conduct the distributed implementation of the NDOI calculation. This approach offers an accessible and intuitive solution, empowering developers to harness the benefits of cloud platforms. The evaluation of the proposal is conducted by assessing its performance using the scene acquired by the airborne visible infrared imaging spectrometer (AVIRIS) sensor during the 2010 oil rig disaster in the Gulf of Mexico. The catastrophic nature of the event and the subsequent challenges underscore the importance of remote sensing (RS) in facilitating decision-making processes. In this context, cloud-based approaches have emerged as a prominent technological advancement in the RS field. The experimental results demonstrate noteworthy performance by the proposed cloud-based approach and pave the path for future research for fast decision-making applications in scalable environments. [ABSTRACT FROM AUTHOR]

The existing treatise targeted to compare the effects of adding different nano-emulsions essential oils (olive, flaxseed, and grapeseed oils) in freezing extender on semen quality and freezability in buffalo. Nano-emulsions were prepared from olive, flaxseed, and grapeseed oils and characterized for their sizes and shapes. Semen extended in four tubes were supplemented with 0 (control) and 3.5% nanoemulsion oils, including olive (NEO), flaxseed (NEFO) and grape seed oils (NEGSO) respectively. NEGSO resulted in the highest (p < 0.05) membrane integrity, vitality, progressive motility (P-motility) of sperm compared to the other groups in post-thawed buffalo bull semen (at 37 °C for 30 s). The addition of NEGSO had the best results for membrane integrity, progressive motility, and vitality of sperm after incubation (at 37 °C and 5% CO 2 for 2 h). A superior (p < 0.05) value of total antioxidant capacity in frozen-thawed spermatozoa was monitored in all supplemented groups as relative to the control. The values of malondialdehyde (MDA) and nitric oxide (NO) were lower (p < 0.05) in NEGSO group compared with other groups. Both NEO and NEFO exhibited the same results for MDA, and NO levels (p > 0.05). All supplemented groups exhibited lower hydrogen peroxide levels (p < 0.05) as relative to the un-treated group. The lowest (p < 0.05) caspase 3 levels were verified in NEGSO treatment, followed by NEFO and NEO treatments. Post-thawed sperm showed ultrastructural damages in the control group, and theses damages were attenuated or resorted by the NEGSO, NEFO and NEO supplemented to freezing extender. In consequences with in vitro results regarding the sperm attribute, a greater pregnancy rate (92%) was observed in NEGSO group as compared with NEFO (88%), NEO (76%) and CON (68%) groups. Our findings demonstrate that NEGSO (3.5%) could be used as a new strategy in enhancing sperm functionality, potential fertility and reducing the oxidative damage and apoptosis markers. This could be significantly applicable for sperm physiology cryopreservation in the milieu of assisted reproduction systems. • Adding of different nano-emuslion essential oils in freezing extender improving the semen quality, and freezability in buffalo. • The addition of NEGSO had the best results for sperm quality and pregnancy rates. • All supplemented nano-emuslion essential oils reduced the oxidative stress and boosting the anti-oxidative markers. • Nano-emulsion essential oils can enhance the sperm functionality, potential fertility and reducing the oxidative damage and apoptosis markers. [ABSTRACT FROM AUTHOR]

The research aimed to obtain and characterize new fats with zero trans and low saturated fatty acid content. Natural candelilla wax was used as an oleogelator in a percentage of 9% to build oleogel systems based on vegetable oils. Candelilla wax (DW) was used because it has a high oil binding power in a stable gel structure. Candelilla wax (CW) is a natural plant wax derived from Euphorbia antisyphilitica Zucc, which is grown in the arid regions of northern Mexico. Notably, CW has emerged as a promising potential substance for use in the development of food formulations. Furthermore, as a food additive, CW application may guarantee safe and high-quality foods. Oleogels were obtained using olive oil, grape seed oil, sunflower oil, walnut oil and hemp seed oil. All the obtained oleogels were analyzed physically, chemically, rheological and texturally. The property of the oleogels to expel oil during the storage of the oleogels was determined, the peroxide index, the color, the elastic and viscous properties of the oleogels and the textural properties were determined. All formulations presented similar color parameters in CIEL*a*b* space, viscosity high and texture parameters specific to hard oleogels. Oleogelation is an alternative process to improve the nutritional properties of food by creating soft-matter structures with the same functionality as commercial fats (shortenings). Candelilla wax lipids have been found to have great potential for use as trans-fat substitutes in the development of good quality food products.

Background: This study aimed to investigate the physicochemical properties, antimicrobial activity, and cytotoxicity of Thyme Essential Oil (TEO) encapsulated by chitosan nanogels. Methods: In this study, chitosan-stearic acid and chitosan-capric acid nanogels were developed in two ratios of chitosan to fatty acid (10: 1 and 10: 3). Results: The results of Fourier-Transform Infrared Spectroscopy analysis showed a successful binding of chitosan to capric and stearic acids. Scanning Electron Microscope images revealed that particle formation improved with increase of the ratio of fatty acid to chitosan. The antimicrobial capacity of both encapsulation systems on three species of microorganisms (Staphylococcus aureus, Escherichia coli, and Candida albicans) was studied. A sustained release of curcumin was observed in Simulated Intestine Fluid. The developed nanogels did not have any toxicity on different cell lines. The results also showed that the antimicrobial capacity of TEO encapsulated with chitosan nanogels was higher (p

A proprietary antimicrobial feed additive comprised of essential oils, medium-chain fatty acids, and a toxin-adsorbing mineral showed promising bacteriostatic and bactericidal effects in vitro. This study investigated the impacts of supplementing this blend on growth, gut microbiome, and enteric disease resilience in weaned pigs experimentally challenged with an enterotoxigenic Escherichia coli (ETEC). Thirty-six weanling pigs (6.88 ± 0.30 kg body weight) blocked by weight and gender were assigned to one of three dietary treatments: control or dietary supplementation with 0.25% or 0.50% of the antimicrobial blend. This study lasted 28 d with 7 d before and 21 d after the first ETEC inoculation (day 0). All pigs were orally inoculated with 1010 CFU F18 + ETEC/3-mL dose for 3 consecutive days. Growth performance data and diarrhea scores were recorded throughout the experiment. Fecal samples collected on days -7, 0, 7, and 21 post first inoculation (PI), and ileal digesta and mucosal tissue collected on day 21 PI were further analyzed for gut microbiome using 16S rRNA sequencing. All data, except for frequency of diarrhea and gut microbiome, were analyzed by ANOVA using the PROC MIXED of SAS. The chi-square test was used for analyzing frequency of diarrhea. Gut microbiome data were analyzed using QIIME2 and visualized using the R program. Dietary supplementation of 0.25% or 0.5% of the antimicrobial blend increased (P

الوظيفة الدينية للزيوت في مصر القديمةِ [ AR] يكشف البحث عن أهمية «الزيوت السبعة المقدسة» من خلال الطقوس الدينية التي كانت تجري في معابد الآلهة و الطقوس الجنائزية التي كانت تجري للمتوفي لاستدعاء الروح. فقد كانت الزيوت السبعة المقدسة أعلي مكانة من سائر القرابين؛ فقد تم مساواتها بعين حورس المقدسة التي عظم شأنها علي مدار الحضارة المصرية القديمة. كما يبرز البحث العلاقة بين الزيوت المقدسة و الثعبان الملحق بالتاج الملكي و الآلهة و مركب أوزيريس (نشمت). قسم البحث إلي ثلاثة أجزاء: ففي الجزء الأول يتحدث البحث عن الزيوت النباتية الشائعة فى مصر القديمة، و ذلك من خلال مشاهد قوائم تخزين الزيوت و كذلك من خلال النصوص التابعة لمشهد «وحدة تخزين الزيوت« في مقبرتي حيسيرع» و «ني-عنخ-خنوم و خنوم –حتب» في سقارة. أما الجزء الثاني من البحث فهو يذكر أسماء «الزيوت السبعة المقدسة» التي عرفت منذ عصر ما قبل الأسرات و العصر العتيق، ثم وثقت هذه الزيوت العطرية المقدسة بوضوح منذ عهد الأسرة الثالثة من خلال مشهد الزيوت لمقبرة «حيسيرع» بسقارة. ثم ذكرت «الزيوت السبعة المقدسة» في المشاهد الجنائزية الخاصة بقوائم القرابين المرتبطة بطقسة «فتح الفم». كما تعد« نصوص الأهرامات» المصدر الديني الرئيسي لأسماء «الزيوت السبعة المقدسة» ووظيفتها الدينية. يلي ذلك عرض للطقوس الدينية التي تتم من خلال دهن جبهة تمثال المعبود في قدس الاقداس لاستدعاء روح الاله أو روح المتوفي. الأمر الثاني هو "حدث تجلي المتوفي" من خلال دهن جبهته في طقسة «فتح الفم» لتحويل روح المتوفي إلي «نور». الأمر الثالث هو مساواة «الزيوت المقدسة» الأساسية مع عين حورس التي عملت ضد قوى الشر والتي تتمثل في المعبود «سيث». يتم تحضير هذه «الزيوت المقدسة» في مختبرات المعابد بتوجيه من الإله تحوت. فقد كانت تعاويذ الإله «تحوت» هي التي تمنح الطاقة الفعالة للزيوت المقدسة المستخدمة في الطقوس الدينية. أما عن الجزء الثالث من البحث، فهو يتحدث عن طقسة دهن الحية (Uraeus) المرتبطة بتاج الملوك والآلهة. إن التمثيل الجداري الأساسي لمعبد دندرة (قاعة حورسماتاوي) الذي يصور «زهرة اللوتس» داخل مركب أوزوريس «نشمت» مع الثعبان السام (Uraeus) الخارج من «زهرة اللوتس» والإله الصقر حورس يشير إلى وحدة إلهية لاهوتية يعمل ضد قوى الشر. فيهدف البحث إلى الكشف عن الأهمية الدينية «للزيوت المقدسة» على وجه التحديد و العلاقة بينها وبين جنات أوزيريس. [EN] This paper explores the significance of the «Seven-Sacred-oils» and burning incense in religious and funerary rituals. The sacred Oils were more frequent than all other offerings. They were divine and equated with the «Eye-of-Horus». The first part of this research indicates that common vegetable oils were included in the tomb's oil-storage lists. The second part mentions the names of the Seven Sacred Oils. The Pyramid Texts are the main source of the names of the «Seven-Sacred-Oils» and their religious function. The Offering lists related to the «Opening-of-the-Mouth» ritual are recorded as well. Cult rituals were performed in the temple-sanctuary, which involved anointing the forehead of the cult-image. This ritual was prominent among the religious rituals. A transfiguration of the deceased happened through the anointment of his forehead in the «Opening-of-the-Mouth» ritual. These sacred oils had been prepared in the temple laboratories under the directions of the god Thoth. The spells of Thoth consecrated the sacred oils that were used in religious rituals. The third part of the research clarifies the anointment of the serpent (Uraeus) attached to the crown of the kings and gods. A mural in the chamber of (1r-4mA-6Awy) at Denderah temple depicts the fragrant «Lotus Bloom» inside the «Neshmet-bark of Osiris», with the poisonous serpent (Uraeus) coming out of the «Lotus-flower» and the falcongod Horus. This image indicates a divine unit that functions against the evil powers of Seth's realm. This research aims to reveal the prominent religious importance and divinity of the sacred-oils.

Introduction: The use of natural products such as essential oils has been suggested due to their promising pharmacological effects and economic viability. This study aimed to determine hydrogenic potential (pH), titratable acidity (TA), and ion concentrations of five solutions containing essential oils (EO), when used as a EO-containing solutions, and evaluate ion concentrations, enamel surface loss, and morphology alterations in enamel.Materials and methods: The pH, TA, calcium (Ca), potassium (K), and sodium (Na) concentrations of five EO-containing solutions were measured. Bovine enamel specimens were submitted to two daily 30-s immersions in artificial saliva, citric acid, distilled water, BaCloTea (Basil, Clove e Tea Tree), GeLaTeaPep (Geranium, Lavender, Tea Tree and Peppermint), EucaLem (Eucalyptus and Lemon), Cinnamon, or Spearmint solutions for 14 days. Ca, K, Na, and phosphorus (P) were quantified through ions chromatography, enamel surface loss was determined by profilometry, and surface morphology was qualitatively analyzed through scanning electron microscopy. Data were submitted to one-way ANOVA and Tukey (p < 0.05).Results: The five EO-containing solutions presented significantly lower pH values than distilled water (p < 0.05). The GeLaTeaPep group presented a significantly higher TA value than BaCloTea (p < 0.05), which in turn showed a significantly higher TA value than the other solutions (p < 0.05). The distilled water presented significantly higher Ca, K, and Na concentrations than all EO-containing solutions (p < 0.05). The enamel exposed to EO-containing solutions showed lower Ca and P concentrations than artificial saliva (control) as well as significantly higher surface loss; however, the surface morphology was similar to the artificial saliva.Conclusion: EO-containing solutions have low pH, TA, and low concentrations of Ca, Na, and K. Moreover, enamel exposed to these solutions showed low Ca and P concentrations and slight surface loss without morphology alteration.

ABSTRACT: The changes occurring in soybean (SBO), sesame seed (SSO), almond (AO) and avocado (APO) oils during repeated frying cycles of potato chips were monitored. Potato chips were fried up to 5 cycles and the free fatty acid (FFA), peroxide value (PV), iodine value (IV), moisture, colour, smoke point and antioxidant properties of the oils at different frying cycles were assessed. SBO exceeded FFA limits after two cycles, while SSO and AO exceeded limits after four cycles. Moisture content of SBO, SSO and AO for first and second frying cycles was within acceptable limits. APO consistently exceeded FFA and moisture limits while PV of all oils remained within the permissible limit throughout the cycles. SBO and APO showed significant decreases in L* and b* values. Sesame seed oil displayed the highest reductions in phenolic content, flavonoid content, and antioxidant capacity, followed by avocado oil while almond oil exhibited the highest decline in total antioxidant, indicating a potential loss of antioxidant properties. These findings emphasize the detrimental impact of frying cycles on the physicochemical and antioxidant properties of these oils, raising concerns about their potential health benefits.

Lipids are a concentrated source of energy with at least twice as much energy as the same amount of carbohydrates and protein. Dietary lipids provide a practical alternative toward increasing the dietary energy density of feeds for high‐performing modern broilers. However, the digestion and absorption of dietary lipids are much more complex than that of the other macronutrients. In addition, young birds are physiologically limited in their capacity to utilise dietary fats and oils effectively. The use of dietary emulsifiers as one of the strategies aimed at improving fat utilisation has been reported to elicit several physiological responses including improved fat digestibility and growth performance. In practical terms, this allows for the incorporation of lipids into lower‐energy diets without compromising broiler performance. Such an approach may potentially lower feed costs and raise revenue gains. The current review revisits lipids and the different roles that they perform in diets and whole‐body metabolism. Additional information on the process of dietary lipid digestion and absorption in poultry; and the physiological limitation brought about by age on lipid utilisation in the avian gastrointestinal tract have been discussed. Subsequently, the physiological responses resulting from the dietary supplementation of exogenous emulsifiers as a strategy for improved lipid utilisation in broiler nutrition are appraised. Suggestions of nascent areas for a better understanding of exogenous emulsifiers have been highlighted. [ABSTRACT FROM AUTHOR]

Essential oils have antioxidant and antimicrobial properties, so it is considered one of the most suitable methods to maintain overall fruit quality, reduce decay and extend the shelf life of fruit during storage. Therefore, two experiments using fruits harvested from 14-year-old guava trees in a private farm located in Al-Busayli village, Rashied, Bohaira governorate, Egypt, during the 2021and 2022 seasons. The primary objective was to evaluate the influence of essential oils on the overall quality and extension of the shelf-life of winter guava fruit. The fruits were subjected to various treatments, including dipping in the following solutions (at 1000 ppm) for 5 minutes: control (distilled water), clove oil, eucalyptus oil, mustard oil, and jojoba oil. Subsequently, the coated fruits with essential oils were preserved in cold room with a temperature of 7±1°C and a relative humidity of 90 – 95 % for a duration of 24 days. The obtained data revealed that immersing in essential oils of winter guava fruits at concentration of 1000 ppm significantly reduced loss in weight of fruit, rot and respiration rate in addition its also improved fruit firmness. SSC%, acidity, SSC/acid ratio and ascorbic acid content compared to control treatment during cold storage. Moreover, the results show a significant reduction in loss of weight, decay, and respiration rate of guava fruits when Eucalyptus and clove oils were utilized. Furthermore, the applications of Eucalyptus and clove oils demonstrated effectiveness in keeping firmness, acidity, vitamin C content, SSC%, and SSC/acid ratio in guava fruits during the storage. In conclusion, Eucalyptus oil and cloves oil proved to be highly effective in reduce weight loss, decay, and respiration rates while concurrently maintaining the overall quality of winter guava fruits under cold storage conditions for a duration of 24 days, in comparison to the other treatments. [ABSTRACT FROM AUTHOR]

In this chapter, an overview of the major lipids in the diet with emphasis in nutritional aspects is provided. Triacylglycerols, i.e., glycerol esterified with three fatty acids, are the predominant constituents in dietary lipids. Therefore, this chapter focuses on the nature and nutritional significance of the main fatty acids in the diet and their possible modifications during food processing and commercialization. The main fatty acids in dietary lipids are grouped into saturated, monounsaturated and polyunsaturated fatty acids. Nutritional implications, the latest intervention trials and health recommendations will be discussed. A brief description of the major sources of lipids in the diet is included, oils and fats standing out. Other food sources shortly commented are milk and dairy products, meat, poultry and eggs, fish, and structured lipids designed to improve functional and nutritional properties. Modifications of fatty acids as a result of processing and commercialization are discussed because of their great relevance for their health implications, especially oxidation compounds and trans fatty acids. [ABSTRACT FROM AUTHOR]

The results of the study of the effect of carbonofluoride additives on the lubricating effect of aviation oils VNIINP-50-1-4u, IPM-10 are presented; MS-8p, industrial oils I-20A, IGP-18 and automotive oil M-10G2K in non-stationary friction modes. The introduction of KF additives into lubricating media significantly reduces, and in some cases completely eliminates, the temporary deterioration of the lubricating effect in non-stationary modes due to the high adsorption properties and chemical activity of carbonofluorides. [ABSTRACT FROM AUTHOR]

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Background: This study aimed to investigate the physicochemical properties, antimicrobial activity, and cytotoxicity of Thyme Essential Oil (TEO) encapsulated by chitosan nanogels. Methods: In this study, chitosan-stearic acid and chitosan-capric acid nanogels were developed in two ratios of chitosan to fatty acid (10:1 and 10:3). Results: The results of Fourier-Transform Infrared Spectroscopy analysis showed a successful binding of chitosan to capric and stearic acids. Scanning Electron Microscope images revealed that particle formation improved with increase of the ratio of fatty acid to chitosan. The antimicrobial capacity of both encapsulation systems on three species of microorganisms (Staphylococcus aureus, Escherichia coli, and Candida albicans) was studied. A sustained release of curcumin was observed in Simulated Intestine Fluid. The developed nanogels did not have any toxicity on different cell lines. The results also showed that the antimicrobial capacity of TEO encapsulated with chitosan nanogels was higher (p<0.05) than the ionic method (use of sodium triphosphate incorporating chitosan). Conclusion: The results have shown that encapsulating TEO in chitosan nanogels is a suitable alternative for synthetic antibiotics in different products. [ABSTRACT FROM AUTHOR]