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2 205 870

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IPC

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Application

2002120348/13, 2002-08-01

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Start date

2002-08-01

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Actual filing date

2002-08-01

(45)

Published

2003-06-10

(72)

Inventor

Denisenko A.A.Shcherbakov Ju.E.Sadkov V.V.Pakhtuev A.I.Chegodaev F.N.

(73)

Holder

Denisenko Aleksej AlekseevichShcherbakov Jurij EgorovichSadkov Vasilij Vasil'EvichPakhtuev Aleksej IvanovichChegodaev Fedor Nikitovich

METHOD FOR PREPARING NUTRIENT MEDIUM FOR YEAST CULTURING Russian patent published in 2003 - IPC

Abstract RU 2205870 C1

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

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RU 2 205 870 C1

Authors

Denisenko A.A.

Shcherbakov Ju.E.

Sadkov V.V.

Pakhtuev A.I.

Chegodaev F.N.

Dates

2003-06-10—Published

2002-08-01—Filed