4-ALPHA-METHYLVERNOSTEROL AND OTHER STEROLS FROM VERNONIA-ANTHELMINTICA SEEDS

被引：26

作者：

AKIHISA, T

HAYASHI, Y

PATTERSON, GW

SHIMIZU, N

TAMURA, T

机构：

[1] HITACHI CHEM CO,IBARAKI RES LAB,HITACHI,IBARAKI 317,JAPAN

[2] UNIV MARYLAND,DEPT BOT,COLLEGE PK,MD 20742

来源：

PHYTOCHEMISTRY | 1992年 / 31卷 / 05期

关键词：

VERNONIA-ANTHELMINTICA; COMPOSITAE; SEEDS; STEROLS; 4-ALPHA-METHYLVERNOSTEROL; 4-ALPHA-METHYL-5-ALPHA-STIGMASTA-8,14,24(24')Z-TRIEN-3-BETA-OL; VERNOSTEROL; 5-ALPHA-STIGMASTA-8,14,24(24')Z-TRIEN-3-BETA-OL;

D O I：

10.1016/0031-9422(92)83142-L

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：

A novel 4-alpha-methylsterol isolated from the seeds of Vernonia anthelmintica was shown to have the structure 4-alpha-methyl-5-alpha-stigmasta-8,14,24(24')Z-trien-3-beta-ol (4-alpha-methylvernosterol) based on spectroscopic methods. The 4-demethylsterol and 4,4-dimethylsterol fractions from the seed material were also investigated. The 4-demethylsterol fraction contained 5-alpha-stigmasta-8,14,24(24')Z-trien-3-beta-ol (vernosterol) and 5-alpha-stigmasta-7,24(24')Z-dien-3-beta-ol (avenasterol) as the dominant sterols. 4-alpha-Methylvernosterol is the possible intermediate in the biosynthesis of vernosterol in V. anthelmintica seeds.

引用

页码：1759 / 1763

页数：5

共 22 条

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