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紫外分光光度法测定玉屏风颗粒总黄酮含量

China Journal of Pharmaceutical Economics(2013)

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Abstract
目的测定玉屏风颗粒中总黄酮的含量。方法采用紫外分光光度法,以芦丁为对照品,在509nm 波长处测定玉屏风颗粒中总黄酮的含量。结果芦丁在0.008~0.040mg/ml 浓度范围内线性关系良好,平均加样回收率(n=6)以芦丁计为99.03%,RSD 为1.01%。结论此方法操作简单,精密度、稳定性和重复性良好,可以用于本品的质量控制方法之一。
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