24-BETA-METHYL-5-ALPHA-CHOLEST-9(11)-EN-3-BETA-OL, 2 24-BETA-ALKYL-DELTA-5,7,9(11)-STEROLS AND OTHER 24-BETA-ALKYLSTEROLS FROM CHLORELLA-VULGARIS

被引：20

作者：

AKIHISA, T

HORI, T

SUZUKI, H

SAKOH, T

YOKOTA, T

TAMURA, T

机构：

[1] CHLORELLA IND CO,MINATO KU,TOKYO 105,JAPAN

[2] TEIKYO UNIV,SCH SCI & ENGN,DEPT BIOSCI,UTSUNOMIYA,TOCHIGI 320,JAPAN

来源：

PHYTOCHEMISTRY | 1992年 / 31卷 / 05期

关键词：

CHLORELLA-VULGARIS; CHLOROPHYCEAE; GREEN ALGA; STEROLS; 24-BETA-METHYL-5-ALPHA-CHOLEST-9(11)-EN-3-BETA-OL; 9(11)-DEHYDROERGOSTEROL; 24-BETA-ETHYLCHOLESTA-5,7,9(11),22E-TETRAEN-3-BETA-OL; ERGOSTEROL; 7-DEHYDROPORIFERASTEROL;

D O I：

10.1016/0031-9422(92)83144-N

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Two 24-beta-alkyl-DELTA-5,7-sterols, ergosterol (51% of the sterol mixture) and 7-dehydroporiferasterol (30%), were the principal sterols of Chlorella vulgaris. In addition two 24-beta-methyl-DELTA-9(11)-sterols, 24-beta-methyl-5-alpha-cholest-9(11)-en-3-beta-ol and 14-alpha,24-beta-dimethyl-5-alpha-cholest-9(11)-en-3-beta-ol, and two 24-beta-alkyl-DELTA-5,7,9(11)-sterols, 9(11)-dehydroergosterol and 24-beta-ethylcholesta-5,7,9(11),22E-tetraen-3-beta-ol, were isolated and identified from among the other DELTA-5- and DELTA-7-sterols. This is the first report of the natural occurrence of 24-beta-methyl-5-alpha-cholest-9(11)-en-3-beta-ol as well as the first report of the detection of 24-beta-ethylcholesta-5,7,9(11),22E-tetraen-3-beta-ol in an alga.

引用

页码：1769 / 1772

页数：4

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