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金纳多（Ginaton．EGb761）是第四代的银杏叶提取制剂。其主要有效成分为银杏黄酮甙（Plavonoidglycosides），银杏内酯（Ginkgolides）和白果内酯（Bilobalibe）。已知黄酮甙能清除氧自由基；银杏内酯B是血小板活化因子（PAF）的强抑制剂；白果内酯同时作用于神经元及星状细胞
Ginaton (Ginaton.EGb761) is the fourth generation of Ginkgo biloba extract preparation. The main active ingredients are Plavonoid glycosides, Ginkgolides and Bilobalibe. Flavonoids are known to scavenge oxygen free radicals; ginkgolide B is a potent inhibitor of platelet-activating factor (PAF); bilobalide acts both on neurons and stellate cells