葛根的资源调查

The resources of Radix puerariae

葛属植物在我国共约10种,经调查,其中与药用葛根有关或有毒的共7种。对6种根测定了总黄酮及葛根素、黄豆甙等5种异黄酮的含量,结果其总黄酮含量以野葛最高,依次为粉葛、峨嵋葛、越南葛、三裂叶葛、云南葛。5种异黄酮在6种根中的含量及比例不同,液相色谱图中,野葛和粉葛是以葛根素的色谱峰为主.峨嵋葛的主要峰是葛根素和黄豆甙;其余3种的主要峰是黄豆甙,其中云南葛的根.不但各种成分含量低,而且毒性大。

Radix puerariae is medicinal herb fre-quently used, there are 10 species of genuspueraris in China. We investigated about 7species, including medicinal and poisonousplants, and analysed the principal constituentsof total flavone and puerarin, daidzin, etc. Fivekinds of isoflavone were found in the roots ofthose plants. The different species of genuspueraria showed different effects. The root ofP.peducularis showed low content of eachkind of isoflavone, but strong toxicit.