【摘要】 自陕西民间草药窝儿七(Diphylleia sinensis Li.)根茎中分离出三种结晶成分。鉴定为鬼臼素(podophyllotoxin)、脱氢鬼臼素(dehydropodophyllotoxin)及山奈黄酮醇(kaempferol),其中鬼臼素得量较高,达2.5％。更多还原

【Abstract】 The constituents of the root of the Ghinese folk medicine Wo-er-chi (Diphylleiasinensis Li) (Berberidaceae), collected in Shensi province were investigated. Three crystalline substances, podophyllotoxin, dehydropodophyllotoxin and kaempferol were isolated from the ethanol extract. These substances were identified separately by spectral analyses, chemical reactions and by the fact that no depression of mp with authentic samples was observed. The maximem yield of podophyllotoxin is 2.5％.更多还原