ENT-KAURENIC ACID AND ITS RELATED-COMPOUNDS FROM GLANDULAR TRICHOME EXUDATE AND LEAF EXTRACTS OF POLYMNIA-SONCHIFOLIA

被引：45

作者：

KAKUTA, H

SEKI, T

HASHIDOKO, Y

MIZUTANI, J

机构：

[1] JRDC Plant Ecochemicals Project, Eniwa RBP Center Building, Hokkaido 061-13, 1-1 Megumino Kita 3-chome, Eniwa-shi

来源：

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 1992年 / 56卷 / 10期

关键词：

D O I：

10.1271/bbb.56.1562

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：

Yacon (Polymnia sonchifolia) leaves possess glandular trichomes on the surface. The exudate from the glandular trichome and the leaf are itself rich in ent-kaurenic acid (ent-kaur-16-en-19-oic acid). A kaurene derivative, 15-alpha-angeloyloxy-ent-kauren-19-oic acid 16-epoxide, was isolated from the leaves, together with two known angeloyloxykaurenic acids. The high content of ent-kaurenic acid in the leaf suggests that these diterpenes play a certain physiological role, since the glandular trichome exudates of other species function in their defensive mechanism.

引用

页码：1562 / 1564

页数：3

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