金莲花和短瓣金莲花茎叶中总黄酮含量的动态测定  

Determination on Total Fiavonoids Content in Stems and leaves of Trollius chinensis Bge.and Trollius ledebouri Rchb.at Different Collection Period

作　　者：严力群[1] 朱殿龙[1] 丁万隆[1] 

机构地区：[1]中国医学科学院中国协和医科大学药用植物研究所,北京100094

出　　处：《中国现代中药》2008年第9期12-13,19,共3页Modern Chinese Medicine

基　　金：国家科技攻关项目--濒危药材金莲花及黄芩种质资源及其评价研究(2004BA721A16);国家科技支撑计划子课题--河北金莲花;太行连翘野生抚育技术研究(2006BAI06A13-03)

摘　　要：目的:研究2种金莲花茎叶中总黄酮含量的积累动态。方法:以芦丁为对照品,采用分光光度法于500nm处测定4～9月份采集的两种金莲花的茎叶中总黄酮的含量。结果:2种金莲花茎叶的总黄酮含量最大值分别为6.34%和5.82%,且均在6月下旬达到峰值。结论:2种金莲花的茎叶部分可以作为金莲花的新药源;北京地区金莲花茎叶的最佳采收时间为6月下旬。Objective： To study total flavonoids content in stems and leaves of TroUius chinensis Bge. and Trollius ledebouri Rchb. at different collection period. Methods： Using rutin as a reference substance, total flavonoids in stems and leaves at different collection period were determined by UV absorption at 500 nm. Results： The maximal contents of total flavonoids were 6. 34% and 5.82% respectively, which appeared in the the last ten-day of June. Conclusion ： The best collection period in Beijing was the last ten-day of June. The stems and leaves had high value in use.

关 键 词：金莲花 短瓣金莲花 茎叶 总黄酮 

分 类 号：R284.1[医药卫生—中药学] R446.112[医药卫生—中医学]