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Rapid determination of loganin in Liuwei Dihuang Pills by NIR spectroscopy

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Author:
No author available
Journal Title:
CHINESE TRADITIONAL AND HERBAL DRUGS
Issue:
8
DOI:
No doi available
Key Word:
六味地黄丸;马钱苷;近红外光谱法;偏最小二乘法;多元校正模型

Abstract: 目的 利用近红外光谱(NIRS)法快速测定不同厂家浓缩六味地黄丸中马钱苷.方法 利用HPLC法测定六味地黄丸中马钱苷,运用偏最小二乘法建立NIRS与HPLC测定值之间的多元校正模型.结果 马钱苷定量校正模型的内部交叉验证均方差RMSECV为0.049 3,决定系数R<'2>为96.62,对预测集进行预测,预测值与真实值的相关系数r<'2>=97.17,预测均方差RMSEP为0.038 9,方法精密度RSD为1.99%,稳定性RSD为1.13%.结论 NIRS法可准确测定马钱苷,为中成药的快速、无损定量分析提供了依据.

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