藏药提宗龙胆花的化学成分研究

Chemical Constituents of a Tibetan Medicine Gentiana tizuensis Franch.

从传统藏药提宗龙胆(Gentiana tizuensisFranch.)花的乙醇提取物中分离得到3个化合物,利用波谱方法鉴定为熊果酸(ursolic acid,1)、异荭草苷(isooreintin,2)、日本獐牙菜素(swertiajaponin,3).其中,化合物2为首次从该植物中发现,化合物3为龙胆属植物中首次发现.

Three compounds were isolated from alcoholic extracts of Gentiana tizuensis Franch..On the basis of spectroscopic methods.Their structures were identified as ursolic acid（1）,isooreintin（2）,swertiajaponin（3）.Among them,compound 2 was isolated from the plant for the first time,compound 3 was isolated from Gentiana for the first time.