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Документ Research of quality indicators of proteinfat mixture from flax and sesame seeds for nutrition of athletes(Scientific Route, Estonia, 2019) Bochkarev, Sergiy; Belinska, Anna; Varankina, Oleksandra; Ananieva, Valeriya; Petik, Igor; Koshyl, Andrii; Yevstifieieva, Olha; Rudnieva, KaterynaThe aim of the research is to determine the microbiological stability of a protein-fat mixture of flax and sesame seeds that allows to correct its storage life. A protein-fat mixture has a high content of irreplaceable amino acids ВСАА and polyunsaturated fatty acids of ω-3group, so it may be positioned as a component of nutrition for athletes. Flax and sesame seeds, cultivated in Ukraine, were used as research materials. The product was created, based on comminuted flax and sesame seeds in ratio 1:1. There were determined organoleptic (outlook, taste, smell, color) and physical-chemical (mass share of moisture, ash, protein, fat, acidic, peroxide, anisidine number) parameters of the product. There was determined the microbiological stability of the protein-fat mixture of the increased food value for athletes nutrition after 6 months. It has been proved, that as opposite to the control sample, the protein-fat mixture of the developed composition manifests its microbiological stability by the following parameters: content of mesophilic aerobic and facultative anaerobic microorganisms, molds, yeast, bacteria of the colon bacillus group and pathogenic microorganisms. The control sample that is comminuted flax seeds doesn’t manifest at the end of the storage term any correspondence of microbiological parameters by the content of mesophilic aerobic and facultative anaerobic microorganisms, molds, and bacteria of the colon bacillus group. This regularity is explained by the presence of lignans, sesamol and sesamoline, with preservative properties in the developed product. The obtained data may be used for reasoning recipes of products, based on the protein-fat mixture and correction of the food supplements ratio in them.Документ Investigation of the influence of sesame antioxidants on the oxidative stability of provitamin A(Scientific Route, Estonia, 2019) Ananieva, Valeriya; Belinska, AnnaMicrobiological oil solutions of provitamin A (β-carotene) as a dietary supplement are not widely used due to their low oxidation stability. The aim of research is determination of the effect of sesame antioxidants on the oxidative stability of provitamin A in oil solutions. The peroxide number of vegeTable oils is determined by the standard method by the titrimetric method. The value of the period of induction of oil oxidation is determined graphically from the growth curves of peroxide numbers. The content of tocopherols in oils is determined by spectrophotometric method. The content of sesamol and sesamoline in oils is determined by the colorimetric method. The oxidative stability of oils is determined using the accelerated "active oxygen" method. To plan the experiment and process the data, mathematical methods are applied using the software Microsoft Office Excel 2003. The oxidation stability of blended oils (a mixture of sesame, high oleic, sunflower and corn refined oils) and its components is investigated. Blended oil has a lower oxidative stability than sesame oil, but higher than corn and high oleic sunflower. The oxidative stability of the blend is enhanced by the antioxidant content of sesamol and sesamoline. The content of the above antioxidants, as well as the amount of tocopherols, is studied in blended oils. The oxidation stability of the obtained solution of provitamin A in blended oils is investigated. The period of induction of oxidation of blended oils with the addition of 0.2 % β-carotene increases by 1.3 times compared with the period of induction of the original blended oil. Blended long-life oil is recommended to be used to stabilize fat-soluble biologically active compounds.Документ Research on oxidative stability of proteinfat mixture based on sesame and flax seeds for use in halva technology(Технологический центр, 2019) Belinska, Anna; Bochkarev, Sergiy; Varankina, Oleksandra; Rudniev, Vasyl; Zviahintseva, Oksana; Rudnieva, Kateryna; Bielykh, Iryna; Khosha, VadymThe analysis of the main methods of modeling the formulations of protein-fat mixtures for special purposes has been conducted. Considerable attention is paid to the choice of methods for stabilizing their lipid component from oxidative damage. The urgency of increasing the oxidative stability of the protein-fat mixtures due to natural antioxidants is emphasized. The feasibility of comprehensive studies of their effect on the stability to oxidation of the most labile biologically active substances of protein-fat mixtures is substantiated. The content of furan antioxidants in the sesame seeds of Ilona, Kadet, Boyarin varieties has been determined. The correlation between the content of free and bound sesamol (sesamolin) has been determined. The content of α-linolenic acid and tocopherols in seeds of Southern Night, Kivik, Sympatik flax varieties has been also investigated. The choice of sesame and flax varieties for the creation of protein-fat mixture for special-purpose, which is a source of ω-3 group polyunsaturated fatty acids and antioxidants (sesamol and sesamolin), is justified. The effect of sesamolin content and moisture in the seeds of Ilona variety sesame on the oxidation resistance of its lipid component has been studied. A mathematical dependence describing such effect has been obtained. A regularity of increasing oxidation stability of sesame lipids with increasing its moisture content from 4.0 to 9.5 % has been revealed. This can be explained by sesamolin hydrolysis intensification with the release of sesamol and samin antioxidants. The stabilization effect of α-linolenic acid of flaxseed (Southern Night variety) by free sesame sesamol in the protein-fat mixture for special-purpose has been studied. It has been proved that a rational ratio of ω-3 fatty acids and sesamol has a significant effect on the inhibition of lipid oxidation of the protein-fat mixture for special purposes. The content of the protein-fat mixture for special-purpose in sunflower halva at the level of 20 % has been substantiated using a sensory evaluation method. The oxidative stability, organoleptic and physicochemical quality control parameters of the product have been investigated. It has been determined that the oxidation stability (and, accordingly, the predicted shelf life) of model samples of sunflower halva depend on the content of protein-fat mixture in them.