FIELD: food industry.
SUBSTANCE: invention is intended for usage in food industry, in particular, to food fibres production. The food fibres extracted from fruit or vegetable by-products has molecular weight equal to approximately 5000 - 8000 g/mol or pectin oligosaccharides with molecular weight equal to approximately 300 - 2500 g/mol. The food fibres may be extracted through usage of physical methods or a combination of a physical method of by-products cells walls destruction and fermentative hydrolysis. The invention deals with a food products containing extracted food fibres. The method for production of soluble food fibres includes decrease of the size of fruit or vegetable by-products particles, such by-products particles subjecting to a physical method of by-products cells walls destruction, addition of one or more enzymes into the by-products particles, mixing or stirring of by-products particles and filtration to produce retentate and permeate.
EFFECT: permeate contains soluble food fibres that may be represented by prebiotic food fibres.
45 cl, 6 dwg, 4 tbl, 3 ex
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