黄芪中有效成分环黄芪醇皂甙和黄芪甲甙的含量测定

Quantitative determination of cycloastragenoside and astragaloside Ⅳ in radix astragali

摘要: 黄芪对心血管系统作用的主要有效成分是黄芪皂甙,黄芪皂甙大部分是以环黄芪皂醇为甙元的皂甙,其中黄芪甲甙含量最高。本文以双波长薄层扫描λs/sub>=500nm,λR=700nm测定环黄芪醇皂甙和黄芪甲甙的含量。

Abstract: The methods for TLC-densitometric determination of cycloastragenoside and astragaloside IV in radix astragali has been established. Samples were saponifed by methanol containing 2% potassium hydroxide and extracted with chloroform - n - butanol. Other sam