银杏树俗称白果树,其根皮叶果都有医疗保健价值,特别是叶提取物的医疗保健功能,日益受到重视。银杏最佳药用物质为酮和内脂类。银杏黄酮因其分子式和结构式与其它黄酮不同,药用效果也不同。其独特功能在于对动脉血管的扩张作用,对毛细血管末梢的闭塞有较好的修复作用,银杏内脂 Ginkgo biloba commonly known as ginkgo tree, its root bark has health care value, especially the health care functions of leaf extract, has received increasing attention. Ginkgo best medicinal substances for ketones and lipids. Ginkgetin because of its molecular formula and structural formula and other flavonoids different, medicinal effect is also different. Its unique function lies in the expansion of the role of arterial blood vessels, distal occlusion of the capillary has a good repair, ginkgolipin