It is suggested to perfect technology of production of emulsive foodstuffs, as most consumed by all groups of population of Ukraine, by introduction to compounding of secondary wastes of exit-juice production and vine making as dry concentrates. Such method of enriching of foodstuffs will allow to bring down the deficit of necessary micro- and macronutrients, biologically active substances, and also to bring down indexes on the number of peroxide in the process of storage of low-caloric sauces due to being of natural antioxidants in powdered plant and vegetable material. Experiments were conducted for determination of micro- and macroelement composition and content of sum of polyphenolic substances samples of powdered plant and vegetable material. Samples with the optimal above-mentioned indexes were revealed and samples for the next stage of researches were chosen. The data plan experiment on the effect of temperature and time storage of powdered vegetable raw materials in the amount polyphenols (% wt) in samples of powdered vegetable raw materials used in the suggested corrections storage term low-calorie sauces based on secondary products of juice and wine manufacturing in recipes and calculations in compounding on productions.It was substantiated the choice of grape skin powder as bioactive addition in the emulsive foodstuffs for health improvment purposes, as a sample that has optimal indexes for micro- and macronutrients composition and maintenance of natural antioxidants of polyphenolic nature.
The 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 w-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.
Microbiological 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.
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