【摘要】 目的 :比较不同产地银杏叶样品中黄酮类成分含量。方法 :HPLC法测定 35个产地银杏叶中 3种主要黄酮甙元即槲皮素、山奈酚、异鼠李素的含量 ,并以此换算出总黄酮含量。结果与结论 :各产地银杏叶中黄酮类成分含量差异较大 ,其中产量大的江苏邳州、广西兴安、贵州正安、湖北安陆等地的银杏叶总黄酮含量较高。更多还原

【Abstract】 Objective:To compare the contents of flavonoids in the leaves of Ginkgo biloba gathered from 35 producing areas.Methods:Separating and determining 3 flavonoid aglycones,quercetin,kaempferol and isorhamnetin,by high performance liquid chromatography.and there by caeculating the total contents of flavonoids.Results:The contents of flavonoids in the leaves of G.biloba gathered from different producing areas are different,butin those gathered from Pizhou,Zheng’an Xing’an,Anlu,etc.appear higher. [更多还原