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银杏为古代孑遗植物 ,其叶和果有重要的药用价值。银杏叶提取物 (ｅｘｔｒａｃｔｏｆＧｉｎｋｇｏＢｉｌｏｂａｌｅａｖｅｓ，ＥＧＢ)主要有效成分为黄酮类和内酯类 ,国际标准银杏叶提取物ＥＧＢ７６１含黄酮＞２４ % ,内酯＞６ % ,供药用。国内、外大量基础和临床研究表明 ,Ｅ
Ginkgo biloba is an ancient relict plant, and its leaves and fruit have important medicinal values. Ginkgo biloba extract (extract of Ginkgo Bilobaleaves, EGB) main active ingredients are flavonoids and lactones, the international standard Ginkgo biloba extract EGB761 contains flavonoids> 24%, lactones> 6%, for medicinal purposes. A large number of basic and clinical studies at home and abroad show that E