摘要
采用沸水浸泡绿色银杏叶、乙醇提取水浸膏、乙酸乙酯提取内酯的工艺,所得白色晶体经HPLC检测含银杏内酯81.5%,产率0.6‰。
Ginkgolides and bilobalide were extracted from Ginkgo biloba L.green leaves by boiling water,the condensed extract was treated with hot ethanol,after removing alcohol,the residue was extracted with ethyl acetate to obtain the white crystalline product,which contained 81.5 % of ginkgolides and bilobalide by HPLC.The yield was 0.6 ‰.
出处
《中国医药工业杂志》
CAS
CSCD
北大核心
1998年第1期7-8,共2页
Chinese Journal of Pharmaceuticals