摘要
从西藏红豆杉(Taxus wallichiana Zucc.)枝叶中分得3种双黄酮(biflavones)成份,经鉴定为 sciadopitysin(Ⅰ),ginkgetin(Ⅱ)和 sequoiaflavone(Ⅲ)。
Three biflavones have been isolated from the leaves of Taxus willichiana Zucc.distributed in Himalaya Mountains in Xizang.Based on IR,UV,MS,and chemical method,they were identified as sciadopitysin(Ⅰ),ginkgetin(Ⅱ)and sequoiaflavone(Ⅲ),respectively.
关键词
西藏红豆杉
双黄酮
Taxus wallichiana Zucc
Taxaceae
Sciadopitysin
Ginkgetin
Sequoiaflavone