METHOD FOR PREPARING NUTRIENT MEDIUM FOR YEAST CULTURING
FIELD: biotechnology, microbiology. SUBSTANCE: nutrient medium for yeast culturing is prepared by mixing starch- -containing raw with water, heating the prepared mixture, successive hydrolysis with amylosubtilin, cellulolytic enzyme and glucavamorin. Hydrolyzate is heated, hydrolyzate liquid fractio...
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| creator | SHCHERBAKOV JU.E DENISENKO A.A PAKHTUEV A.I CHEGODAEV F.N SADKOV V.V |
| description | FIELD: biotechnology, microbiology. SUBSTANCE: nutrient medium for yeast culturing is prepared by mixing starch- -containing raw with water, heating the prepared mixture, successive hydrolysis with amylosubtilin, cellulolytic enzyme and glucavamorin. Hydrolyzate is heated, hydrolyzate liquid fraction is separated by decantation and sources of mineral nitrogen, phosphorus, growth substances and trace elements are added. After hydrolysis of starch- -containing raw with amylosubtilin pH value in prepared hydrolyzate is brought about in the range 4.5-4.8, cellulose is added, mixture is kept for 0.8-1.2 h and glucavamorin is added. Invention provides enrichment of medium with mono- and disaccharides assimilated by yeast. EFFECT: improved preparing method and quality of nutrient medium. 9 cl, 2 tbl, 2 ex |
| format | Patent |
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SUBSTANCE: nutrient medium for yeast culturing is prepared by mixing starch- -containing raw with water, heating the prepared mixture, successive hydrolysis with amylosubtilin, cellulolytic enzyme and glucavamorin. Hydrolyzate is heated, hydrolyzate liquid fraction is separated by decantation and sources of mineral nitrogen, phosphorus, growth substances and trace elements are added. After hydrolysis of starch- -containing raw with amylosubtilin pH value in prepared hydrolyzate is brought about in the range 4.5-4.8, cellulose is added, mixture is kept for 0.8-1.2 h and glucavamorin is added. Invention provides enrichment of medium with mono- and disaccharides assimilated by yeast. 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| subjects | BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE |
| title | METHOD FOR PREPARING NUTRIENT MEDIUM FOR YEAST CULTURING |
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