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大黄不同炮制品中鞣质含量的测定 被引量:14

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摘要 目的建立大黄不同炮制品中鞣质含量的测定方法,并对大黄炮制前后生药与炭药的鞣质含量进行测定。方法采用紫外分光光度法,以磷钼钨酸为显色剂,干酪素为鞣质吸附剂,在760nm波长处。测定样品溶液吸光度,计算鞣质含量。结果生药中鞣质含量为2.91%,炮制后鞣质含量均有不同程度的降低。结论本方法专属性强,灵敏,准确,适用于大黄及其炮制品中鞣质含量的测定。
出处 《现代中医药》 CAS 2012年第4期76-78,共3页 Modern Chinese Medicine
基金 陕西省科技厅资助项目(2011K16-05-01)
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