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Propolis, considered one of the most effective natural broad-spectrum antibiotics, which do not induce resistance or destroy the organism’s commensal flora, together with catechin, quercetin and gallic acid (at different concentrations), have been tested against Gram positive bacteria Streptococcus pyogenes ATTC 19615, Stapylococcus aureus ATCC 25923 and Gram negative Escherichia coli ATCC 25922 Pseudomonas aeruginosa ATCC 27853, Salmonella enterica ATCC 14028, Shigella flexneri ATTC 12022, as well as the yeast Candida albicans ATTC 10231, using the agar diffusion method. Propolis and the three compounds showed antimicrobial potential at most concentrations. The highest sensitivity to propolis (conc. 0.001-1%) was shown by the Gram-positive bacterial strain S. pyogenes, followed by the Gram-negative bacterium Escherichia coli, while the other species had an equal and reduced reaction. Gallic acid showed high antibacterial activity on S. aureus, P. aeruginosa and S. enterica, and a reduced effect on other bacterial strains. The antibacterial efficiency of 3.0224% quercetin was high against the bacterium S. pyogenes and catechin (2.9028%) proved to be the best antifungal, followed by propolis 1%, and quercetin 3.0224%. At certain concentrations, propolis and the three compounds could supplement gentamicin and ampicillin, as they have shown similar or even higher antibacterial efficacy than conventional drugs.

Determinations concerning the glycoalkaloids content were made over four potato varieties (Hansa, Sieglinde, Nicola and Linda) obtained from a private German source, country in which potatoes are cultivated and consumed frequently. Potatoes have been cultivated in classic conditions, as well as in biodynamic conditions.The glycoalkaloids complex and their aglycones had been obtained through a sequence of operations, like extractions with several specific solvents at reflux and in backward flow, hydrolysis, lyophilisation etc.The determinations concerning the glycoalcaloids content of the four studied potato varieties were accomplished comparatively for both culture modes, in classic and biodynamic conditions.

In this work, the used methods (chemical and physical) to quantitative starch determination from plants were replaced with a simple, fast, exactly method, in which the starch percent was determined with the help of specific weight. Were analyzed four potato varieties (Hansa, Sieglinde, Nicola and Linda), from a German private sours. The potato crops were achieved in Schöngeising, Germany, at 25-30 km from Munich on an experimental ground with a 100 m2 area. In this purpose were used both the classical and biodynamical crop methods.

Determinations concerning the carotenoidic compounds content was achieved on four potato varieties (Hansa, Sieglinde, Nicola and Linda) obtained from a German private sources, country were this potato varieties are frequently cultivated and consumed. The potatoes were cultivated both in the classical and biodynamic conditions. For the carotenoids extraction was used an 80% acetone water solution, and for the quantitative determination was used a colorimetric method based on the specific absorption of this compounds at different wavelength. The results interpretation was achieved with the aid of some calculus relations.

The aim of the this study is to present a combined view of bio – geo - chemistry, soil – plant interactions, mathematic models and statistic analysis, based on the correlation between the levels of soil contamination, and the remanence of polluting substances in soil and respectively in harvested fruits and vegetables. Most of the mathematical models which describe plant - soil interactions are integrated in plant growth models or climate change models. The models presented by this paper are Soil – Plant Interaction Models, Pollution Indices, The Indices for Evaluating the Adaptative Strategies of Plants and Chemo-metrical Methods, and they have the role to synthesize and evaluate the information regarding heavy metals contamination.

The paper presents technical and economic forecasts on the technological linseed oil obtained by cold pressing, and in this specific economic indicators were calculated. The values obtained were as follows: total costs (692 950 €/year), total incomes (1 050 800 €/year), profit (357 850 €/year), profit rate (51.64%), costs per product (7235 949.47 €) and costs for production (3.031 €/liter). The results of technical-economic forecasts estimated have positive values, suggesting that processing technology is profitable, the costs being lower than incomes, and therefore can be recommended a potential technology for producing an edible cooking oil, healthy and rich in nutrients.

Walking is a complex process which requires full control throughout its entire duration, from walking inception up to locomotion ending, imposing continuous adjustments regarding speed, step length and width, direction and posture in response to internal and external stimuli. The general objective of this paper was highlighting the effectiveness of using the “Movement score” psychometric approach to improve the quality of walking in children with feet deficiencies. Human walking is a standard, repeatable and rhythmic locomotor act, having biomechanical patterns that are common for all healthy subjects. The human brain plays a very important role in the act of walking with cultural, cognitive and psychological factors that can affect how we walk. Psychomotric education is the starting point for the learning process of children. The movement score, also called “The Hungarian movement method” provides an efficient and plan-based tool that enables educators to playfully develop the physical, cognitive, affective and behavioural functions by adapting to the physical and psychological characteristics of early childhood. In order to create a gait motor engram which is as correct and precise as possible, the “Movement score” method can be use to obtain the conditions for the correct walking parameters. The introduction of an adapted “Movement score” method in the usual physiotherapy program can improve the kinesthetic image of walking.

The increasing use of herbicides in recent years for improved crop yields requires a risk assessment. To assess their impact on soil, the use of an indicator named the synthetic biological indicator (ISB%) is proposed, which includes a range of biotic and enzymatic parameters derived from previous experiments. Three sulfonylurea herbicides were evaluated, named chlorsulfuron, amidosulfuron, and tifensulfuron. The biotic and enzymatic parameters were monitored using different herbicide doses in field and laboratory experiments. Calculating this indicator for all experimental variants in the field and laboratory showed that the impact of the analyzed herbicides was insignificant, but there were statistically significant differences between the experimental conditions. The registration of an herbicide based on the legislation of different countries requires several toxicity tests of the active substance’s effects against soil microorganisms and some of the soil functions performed by microorganisms, parameters which are also included in the synthetic biological indicator (ISB). This indicator has the capacity to provide important information for sustainable soil management, including a minimum set of parameters, which can provide global information regarding the environment, showing changes in multiple areas of interest, including parameters that can be applied at minimal cost worldwide. In conclusion, we can say that the use of the indicator highlights all the changes caused by various soil chemical treatments because it follows the variation in a large number of parameters, unlike other indicators that follow only one, providing useful information for sustainable farming practices.

The aim of the present study was to establish the influence of high-temperature heating on the composition and thermal behavior of coffee oils obtained from Arabica green and roasted coffee beans, respectively. Morphological studies performed using scanning electron microscopy revealed the oil bodies uniformly distributed within the cells in both types of coffee beans analyzed. The obtained oils have a fatty acid composition rich in linoleic acid, palmitic acid, oleic acid, stearic acid, arachidic acid and linolenic acid. The total content of saturated fatty acids of investigated oils was 49.38 and 46.55%, the others being unsaturated fatty acids. The thermal behavior and thermo-oxidative stability of coffee oils extracted from green coffee beans and roasted coffee beans, the coffee oil high-temperature heated up to 200 °C, were investigated using simultaneous thermal analysis TG/DTG/DTA, in an oxidizing atmosphere. The data obtained for the analyzed samples depend mainly on the nature and compositions of fatty acids, and to a lesser extent on the roasting process of the coffee beans and the high-temperature heating process of the extracted oil. The chromatographic and TG/DTG/DTA data suggest that Arabica coffee oil has great potential for use in technological processes which require high-temperature heating (e.g. food industry or pastries).

This paper presents the designing and developing a system for monitoring the quality of a mixture of seafood chopped by drawing HACCP plan corresponding obtaining product technology and operational control programs. The biological, chemical, and physical hazards were analyzed and critical control points were identified. Such was studied the probability that potential hazard relevant to consumer health, under certain conditions, exceed a threshold limit and depending on severity and frequency of the event to turn into a potential risk to human health at consumption time. The HACCP system has been studied as a preventive control method of food safety, moving the central pole of the finished product to control a modem method, proactive and control potential hazards. [ABSTRACT FROM AUTHOR]