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2 080 389

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C1

(51)

IPC

(21) (22)

Application

93007910/13, 1993-02-10

(22)

Actual filing date

1993-02-10

(45)

Published

1997-05-27

(72)

Inventor

Luknitskij F.I.Aksenovich A.V.Vysotskij L.N.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF ERGOSTEROL PREPARING Russian patent published in 1997 - IPC

Abstract RU 2080389 C1

FIELD: biotechnology, vitamins. SUBSTANCE: method involves preparing ergosterol from yeast by their treatment with mixture containing 25-30% sodium hydroxide, 15-50% water and 25-50% isopropanol, ergosterol extraction with organic solvent taken from isopropanol, isopropanol distillate, mixture of isopropanol and its distillate at ratio 1:1. EFFECT: improved method of preparing. 2 tbl

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RU 2 080 389 C1

Authors

Luknitskij F.I.

Aksenovich A.V.

Vysotskij L.N.

Dates

1997-05-27—Published

1993-02-10—Filed

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