银杏是存活最久的树木,主工分布在中国大陆。其果实为白果,用于定喘止咳。七十年代初,德、法两国将银杏叶粗提取物做成的制剂,用于治疗心脑血管疾患取得较好治疗效果。当今生产该制剂的国家已发展到美国、日本、瑞士和瑞典等国。销售市场也从欧洲发展到美国和南美,近年也进入香港、台湾等地,销售额达每年5亿多美元,需求量还在不断上升,可以看出该药的发展趋势和前途。我国在七十年代虽曾批量生产,但由于提取方法、质量控制和使用剂量不够恰当,因此没有广泛应用。近年来,我 Ginkgo biloba is the longest-lived tree, and its main workers are located in mainland China. Its fruit is ginkgo, used for cough and asthma. In the early 1970s, Germany and France made preparations of ginkgo biloba crude extracts for the treatment of cardiovascular and cerebrovascular diseases to achieve a better therapeutic effect. The countries that produce the preparation today have already developed countries such as the United States, Japan, Switzerland and Sweden. The sales market has also developed from Europe to the United States and South America. In recent years, it has also entered Hong Kong, Taiwan and other places. The sales volume reaches more than 500 million U.S. dollars per year, and the demand is still rising. We can see the development trend and future of the drug. In China, although it was produced in batches in the 1970s, it was not widely used due to inadequate extraction methods, quality control, and doses. In recent years, I