从银杏叶中制备聚戊烯乙酸酯  

Preparation of polyprenyl acetates from leaves of Ginkgo biloba

作　　者：杨小明[1] 陈钧[2] 

机构地区：[1]镇江医学院,江苏镇江212001 [2]江苏理工大学生物与环境工程学院,江苏镇江212013

出　　处：《中草药》2001年第5期392-394,共3页Chinese Traditional and Herbal Drugs

基　　金：国家自然科学基金资助项目 No.2 9976 0 18

摘　　要：目的　研究银杏聚戊烯乙酸酯的制备技术。方法　以石油醚为提取溶剂 ,获得的石油醚浸膏经硅胶吸附能除去大部分极性较大的杂质 ;再经制备 TL C分离、脱蜡、制备 TL C纯化得到聚戊烯乙酸酯同系物的混合物。结果　经 HPL C外标法测定其同系物的纯度为 84%。结论　该方法简便易行 ,大大降低了工作量。Object To develop a method for the separation and purification of polyprenyl acetates from the leaves of Ginkgo biloba L Methods Lipids, including polyprenyl acetates were extracted by petroleum ether, and adsorbed by silica gel to remove most of the polar impurities After removing wax from the partially purified extract, it was further purified with silica gel chromatography Results Finally, a mixture of homologues polyprenyl acetate was obtained The purity of which as determined by HPLC external standard method was 84% Conclusion This procedure is simple and relatively effective

关 键 词：银杏 聚戊烯乙酸酯 制备 中药 

分 类 号：R284.1[医药卫生—中药学]