[关键词]
[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。
[Key word]
[Abstract]
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
[中图分类号]
[基金项目]
国家自然科学基金资助项目No.29976018