[产品来源] 银杏叶
[产品形状] 棕黄色细粉
[产品规格] 银杏黄酮22.0%-27.0%,总银杏酸≤5ppm,白果内酯2.6%-3.2%,
银杏内酯(a+b+c)2.8%-3.4%