离瓣寄生化学成分的研究  

Studies on the Chemical Constituents of Libanjisheng (Helixanthera parasitica)

作　　者：李良琼[1] 李美蓉[1] 冯文涛 

机构地区：[1]华西医科大学,成都610041

出　　处：《中草药》1994年第6期283-284,287,共3页Chinese Traditional and Herbal Drugs

摘　　要：从离瓣寄生Helixanthcraparasitica的叶中分得4种结晶。经理化性质及光谱分析鉴定为没食子酸乙酯（Ⅰ）、没食子酸（Ⅱ）、槲皮甙（Ⅲ）、5，7，3′，4′-四羟基黄烷（5，7，3′，4′－tetrahydroxyflavan，Ⅳ）。Ⅳ为一新的黄烷化合物。Four compounds were isolated from the leaves of Helixanthera parasitica. They Were ideutified as ethyl gallate (Ⅰ), gallic acid (Ⅱ). quercitrin (Ⅲ) aud 5,7,3',4'-tetrahydroxyflavan (Ⅳ) on the basis of chcmical properties and spectral data. Compound Ⅳ is a new flavan.

关 键 词：离瓣寄生 没食子酸乙酯 没食子酸 

分 类 号：R282.710.3[医药卫生—中药学]