科学采收银杏树叶,对提高银杏叶的药用价值、保护母树具有重要意义。其具体方法是: 一、采叶时间。据测试,银杏叶黄酮类化合物和萜内脂含量最高的时间是9月下旬至10月上旬,此时期叶色浓绿,叶片厚大,叶片中水份含量达到全年最低值。在北方银杏采收的最佳时间为10月5日至10月10日;在华东大部分地区应为10月10日至10月18日。 二、采叶方法。对银杏园和 Scientific harvest ginkgo leaves, to improve the medicinal value of ginkgo leaves, to protect the mother tree is of great significance. The specific method is: First, harvest time. According to the test, the highest content of flavonoids and terpene lipids in Ginkgo biloba leaves is from late September to early October. During this period, the leaf color is dark green, the leaves are thick, and the water content in the leaves reaches the minimum throughout the year. The best time to harvest ginkgo in the north is from October 5 to October 10, and in most parts of East China from October 10 to October 18. Second, mining methods. Ginkgo garden and