FIELD: food industry.
SUBSTANCE: invention relates to food industry. Method of producing water-soluble oligosaccharides from hardwood shavings involves extraction of oligosaccharides at temperature of 170 °C, separation by filtration from shavings and centrifugation. Extraction of vegetable raw materials is carried out with treated hot water for 120 minutes, with subsequent separation on a chromatograph, to produce end product. Extraction is performed from birch or aspen shavings, with ratio of water to shavings of 1:30, method includes performing repeated extraction at ratio of water to shavings of 1:10, and separation, to output of end product, is carried out using gel-penetrating chromatograph.
EFFECT: method increases output of water-soluble oligosaccharides.
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