EGb is a standardized extract of Ginkgo biloba leaves containing 24% flavone glycosides(primarily quercetin, kaempferl and 6% terpene lactones).
银杏叶标准提取物是从银杏叶中提取的混合物(6%萜内酯、24%黄酮苷),研究表明其具有抗氧化作用。
参考来源 - 银杏叶提取物对酒精所致大鼠肌肉氧化损伤保护作用的初步研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The results are compared to which of standardized extract of Danshen does.
结果丹参标准提取物具有与丹参原药材相类似的指纹图谱。
Take 300 mg of a standardized extract containing 0.3 percent hypericin three times a day. You can taper off this dosage as the days grow longer.
按照每天3次，每次30毫克的方法服用这种含有百分之零点三的圣约翰草汁的药物。
Each capsule contains 150 mg of Hawthorn Leaves & Flowers extract standardized to provide 2% Vitexin.
每粒胶囊含150毫克山楂叶（花）提取精华，含2%牧荆素。
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