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Vitamin C is of great importance for the body, being necessary for the formation of blood vessels, cartilage, muscle, collagen and for the healing process, so its deficiency in the body, known as hypovitaminosis C, can cause problems such as anemia, bleeding gums, bruising and poor healing. Thus, the present work, through a bibliographic review of scientific articles found on digital platforms, seeks to talk about the role and use of ascorbic acid (AA); Talking about the history of vitamin C, its effects on tissue metabolism, as well as presenting the pharmacological application of vitamin C, addressing its effects on the body, emphasizing the importance of daily use of this vitamin and its benefits for human life and health, in order to inform society about the benefits linked to its use as well as to warn of the risks of lack of this vitamin. Taking into account what was observed, it was possible to perceive the importance of the need to maintain a healthy diet rich in vitamin C, since a deficient diet of this vitamin can cause tiredness, weakness, irritation while a more severe deficiency can cause scurvy. With this, it is essential to look for a competent professional so that he can make the diagnosis, and if it is necessary to use food supplementation of this vitamin via medication. [ABSTRACT FROM AUTHOR]

Pitayas belong to the Cactaceae family, with high economic potential due to their exotic appearance and nutritional and functional properties. Thus, it is essential to compare studies related to their physicochemical characteristics, in addition to demonstrating the innovation of food products based on their compounds. It is a narrative review on the properties of pitayas. We performed searches in databases such as SciELO, Oasisbr, and Google Scholar, and the descriptors were "pitaya" (pitaia), "characteristics of pitaya" (características da pitaia), "Hylocereus polyrhizus", "Hylocereus undatus", "Hylocereus costaricensis", "Selenicereus setaceus", and "Pitaya cultivation in Brazil" (cultivo da pitaia no Brasil). This work aimed to find different studies related to pH, soluble solids, titratable acidity, proteins, fibers, lipids, vitamin C, and minerals, in addition to bioactive compounds such as polyphenols, flavonoids, phenols, and pigments, which are the anthocyanins, betalains, and carotenoids. The physicochemical characteristics of pitayas are of great importance for their consumption and exploration of their compounds for new products. [ABSTRACT FROM AUTHOR]

This research aims to verify the effectiveness of the topical use of vitamin C as a preventive treatment in premature skin aging. This is an integrative literature review, using existing scientific articles as a source of data. To survey the articles, searches were carried out in the following databases: LILACS, Dialnet, Medline and Scielo, using the descriptors: ascorbic acid; vitamin C; antioxidant; free radicals and skin aging. The studies evaluated suggest that premature skin aging can be mitigated through the use of cosmetics that contain vitamin C in their composition, since its antioxidant action promotes deep hydration, making the skin bright, young and healthy, in addition to preventing and softening wrinkles. and expression lines, increasing skin elasticity and promoting collagen synthesis. [ABSTRACT FROM AUTHOR]

Background: Heat treatment is one of the most used methods to preserve food, such as orange juice, increasing its shelf life. However, little is known about the temperature and speed profiles during heat treatment of liquid food in commercial packaging. Aim: This work aimed to determine the vitamin C content and the convective heat transfer coefficient in the pasteurization of orange juice. Methods: Two tests were performed: in test 1, the heating started with a water bath at 22 ºC and was heated to 80 ºC. In test 2, the water bath started at 80 ºC. Results and Discussion: The convective heat transfer coefficient was analyzed in the wall region, and it is higher in test 2. In both tests, the curve graphic profile follows the same literature trend. Regarding vitamin C, in test 1, there was a reduction in it. In test 2, it remained constant. Conclusions: Studying the thermal behavior of orange juice is extremely important to ensure its quality. In order to avoid this degradation and reduce its loss, it is necessary that in thermal treatments, rapid heating is carried out and that the juice has low exposure to air and heat at the time of its preparation. [ABSTRACT FROM AUTHOR]

This work evaluates the physical and physicochemical parameters of the "Festival" strawberry variety, obtained under the edaphoclimatic conditions of Humpata, Province of Huila, Angola, followed by its transformation into sweet of adequate quality. The analyzes carried out were: the mass was determined on analytical balance and the transversal and longitudinal diameters with a caliper. Other analyzes were: total acidity titratable by volumetry, pH by potentiometry, total soluble solids by refractometry, moisture and ash by gravimetry. The study carried out showed that the pH of the pulp was 3.41; and in the sweet it was 3.31. The titratable acidity in the strawberry pulp was 0.186 g/100 ml and in the sweet 0.096 g/100 ml; the ascorbic acid content in the pulp was 18.60 mg/100g. The average content of soluble solids in the pulp was 9.51°Brix and for the sweet 68.83°Brix. These chemical characteristics of the pulp and the sweet provide information about their nutritional values. [ABSTRACT FROM AUTHOR]

The study aimed to describe the knowledge of the members of the Butia Palm Groves Network about the properties of butiá that are beneficial to health. It was a qualitative research, with a descriptive approach, with data collection in March and April of 2020. Semistructured interviews were applied to 20 key members of the Rota dos Butiazais. The interviews were applied in person to nine people (recorded and transcribed by the researcher) and via e-mail to 11 participants (due to the social distance, imposed by the pandemic of Covid-19). Thematic content analysis by Laurence Bardin and the theoretical framework of the Theory of Social Representations by Serge Moscovici were used. Participants reported on the antioxidant compounds, fibers, carotenes, vitamins and potassium present in the butiá pulp, stating that these compounds bring benefits for health. They also mentioned that butiá has a nutritional value, is rich in vitamin C, and that there may be properties that have not been studied. Each interviewee has a distinct personal and family history, but they converge on several points related to the knowledge related to the properties of butiá. The participants' reports demonstrate the social representations based on the butiá. [ABSTRACT FROM AUTHOR]

The research analyzed the production, commercialization and consumption of unconventional food plants (PANC) at fairs in São Luís (MA) and the chemical composition of the species Hibiscus sabdariffa L. (vinagreira) and Talinum paniculatum (Jacq.) Gaertn (joão-gome). Questionnaires were applied to three priority groups: marketers, consumers and producers, asking about their knowledge related to PANC, financial return, benefits, planting and frequency of consumption. The chemical parameters analyzed were protein, lipids, fibers, ashes, Brixº, pH, titratable acidity, vitamin C and reducing sugars following different methodologies. The results showed that in the commercial centers of São Luís, the PANC are commercialized and their benefits to health and income generation are recognized by the marketers, producers and consumers, mainly for the female gender. The main responsible for its planting and commercialization are women and the main consumers are adults and the elderly. In the vinagreira, an acidic flavor determined by high pH, titratable acidity and vitamin C was observed. The joão-gome showed little flavor, high content of Vitamin C, protein and fibers. The high protein and fiber content in both species shows the nutritional richness characteristic of PANC. Therefore, the chemical parameters of both species demonstrated the nutritional potential of these plants, justifying their wide use in cooking and traditional medicine in the region. [ABSTRACT FROM AUTHOR]