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.
出处
《中草药》
CAS
CSCD
北大核心
1994年第6期283-284,287,共3页
Chinese Traditional and Herbal Drugs