Variation in hypericins from wild populations of Hypericum Perforatum L. in the Pacific Northwest of the USA

被引：0
|
作者：
Sirvent, TM [1 ]
Walker, L
Vance, N
Gibson, DM
机构：
[1] Cornell Univ, Dept Plant Pathol, Ithaca, NY 14853 USA
[2] US Forest Serv, USDA, Pacific NW Res Stn, Corvallis, OR USA
[3] ARS, USDA, Plant Protect Res Unit, US Plant Soil & Nutr Lab, Ithaca, NY 14583 USA
来源：
ECONOMIC BOTANY | 2002年 / 56卷 / 01期
关键词：
St. John's wort; hypericin; pseudohypericin; composition; plant defense;
D O I：
10.1663/0013-0001(2002)056[0041:VIHFWP]2.0.CO;2
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Representatives from eight wild populations of Hypericum perforatum L. were collected from Montana and Northern California at flowering, and subsequently analyzed for hypericin and pseudohypericin using HPLC analysis. Total individual plant concentrations in these wild populations were from 0.0003-0.1250% dry weight (DW) hypericin and 0.0019-0.8458% DW pseudohypericin. In general, hypericin concentrations were highest in the plant's reproductive (flower and bud) tissues, followed by leaf and stem tissues, respectively. Hypericin and pseudohypericin concentrations were positively correlated in all samples, although the relative ratio of hypericin to pseudohypericin varied with site location.
引用
收藏
页码：41 / 48
页数：8
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