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
Title | Year | Author | Number |
---|---|---|---|
METHOD OF ERGOSTEROL PREPARING | 1993 |
|
RU2074711C1 |
METHOD OF DEODORIZATION OF ISOPROPYL ALCOHOL | 1995 |
|
RU2109723C1 |
METHOD OF PRODUCTION OF β-CAROTENE | 1995 |
|
RU2117004C1 |
METHOD OF PREPARING ISOPROPYL ALCOHOL | 1997 |
|
RU2128158C1 |
METHOD OF SYNTHESIS OF PARA-NITROBENZOIC ACID ETHYL ESTER | 1995 |
|
RU2074169C1 |
METHOD OF ISOLATION AND PURIFICATION OF 10-DIALKYLAMINOALKYLPHENOTHIAZINE HYDROCHLORIDE | 1993 |
|
RU2046796C1 |
METHOD OF PREPARING ALKALINE, EARTH-ALKALINE OR TRANSIENT METAL ASCORBATES | 1995 |
|
RU2078083C1 |
METHOD OF HYDROXYETHYLIDENE PHOSPHONIC ACID SYNTHESIS | 1994 |
|
RU2067098C1 |
METHOD OF SYNTHESIS OF β- OR C-C-KETOACETALS | 1995 |
|
RU2084440C1 |
METHOD OF CRYSTALLINE LICOPIN PREPARING | 1996 |
|
RU2126806C1 |
Authors
Dates
1997-05-27—Published
1993-02-10—Filed