自 6 0年代以来 ,随着西方国家化学药物向天然药物的转向 ,银杏叶制剂也得到了广泛的研究和开发 ,一些国家对银杏叶中的化学成分及其分离方法 ,药理试验和临床应用进行了大量的研究工作 ,越来越多的科学家对银杏叶中两类生理物质———黄酮类化合物和萜内酯 ,进行了分析。1　银 Since the 1960s, along with the shift of chemical medicines to natural medicines in western countries, Ginkgo biloba leaf preparations have also been widely studied and developed. Some countries have conducted chemical compositions and separation methods, pharmacological tests and clinical applications in Ginkgo biloba leaves. A lot of research work has been carried out, and more and more scientists have analyzed two kinds of physiological substances in gingko biloba: flavonoids and terpene lactones. 1 Silver