品名:银杏叶提取物包装:25公斤出口纸板圆桶包装保质期:24个月指标:颜色,淡黄色粉沬,略有银杏叶香味总黄酮甙25.19%,槲皮素12.67%,山奈素9.96%,异鼠李素2.56%,总萜类内酯7.21%,银杏内酯A1.58%,银杏内酯B1.78%,银杏内酯C1.15%,白果内酯2.70%水份3.27%灼烧残渣0.26%重金属:2PPM