CHARACTERISTICS AND COMPOSITION OF FRACTIONAL PRODUCTS FROM PUMPKIN SEEDS
DOI:
https://doi.org/10.15421/jchemtech.v29i4.243302Keywords:
pumpkin seed fractions; pumpkin oil; pumpkin seed flour; pumpkin seed protein powder; cellulose; functional products.Abstract
The analysis of scientific and technical information on the determination of the chemical composition of fractional products from pumpkin seeds is carried out. Recommendations for the use of fractional products from pumpkin seeds in food products are given. A set of methods for determining the quality of pumpkin seeds and its fractional products is substantiated. The technological scheme of complex processing of pumpkin seeds is developed, the main elements of which are pressing of seeds and fractionation of crushed cake. Target products were obtained in the amount of: oil – 34 %, flour – 5 %, protein powder – 15 %, fiber – 46 %. The energy and biological value of the obtained fractions is calculated. Determined: fatty acid composition of pumpkin oil, the ratio of fatty acids in which is SFA : PUFA : MUFA = 10:38:42, which indicates the feasibility of recommending pumpkin oil as a source of mono- and polyunsaturated fatty acids. The amino acid composition of protein powder is established, the content of all essential amino acids is proved, which characterizes its high biological value. According to the results of toxicological and microbiological tests of laboratory samples of fractional products from pumpkin seeds, a high level of safety of these products has been established. Organoleptic and physicochemical indicators of quality of the received samples which correspond to the established norms for analog production and also testify to high quality of foodstuff which is made by the offered way are defined. It is recommended to use the obtained products as independent products in the human or animal diet of farms or private farms or as supplements of traditional dishes or food products to enrich the nutrients and essential substances of human diets and feed for poultry, fish and pets.
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