草珊瑚为金粟兰科植物Sarcandra glabra(Thumb.)Nakai的全株,又名接骨金粟兰、肿节风、九节风、九节茶、接骨木等。有清热祛风,散瘀接骨之功效,民间用于治疗肺炎、凤湿性关节炎等。近年来做成制剂治疗溃疡病、癌症等。已报导的化学成分有延胡索酸、琥珀酸及异白蜡树定(isofraxidin)等。今从草珊瑚叶中分得一个新的倍半萜内酯,本文鉴定其结构为(—)-istanbulin A。 Grass coral is the whole plant of Sarcandra glabra (Thumb.) Nakai. It is also known as the bones of Jin Sulan, swollen wind, Nine-section wind, Nine-day tea, and elderberry. There is heat and wind, the effectiveness of scattered bones, folk for the treatment of pneumonia, rheumatoid arthritis and so on. In recent years, preparations have been made to treat ulcers and cancers. The reported chemical components are fumarate, succinate and isofraxidin. A new sesquiterpene lactone was isolated from the grass coral leaves. Its structure was identified as (-)-istanbulin A.