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A simple and sensitive liquid chromatography tandem mass spectrometry method was established and validated for the quantitative determination of abrine, hypaphorine, schaftoside and soyasaponin Bb in rat plasma. After preparation by protein precipitation with acetonitrile, the analytes and internal standard were separated on a Waters CORTECS T3 column using acetonitrile containing 0.1% formic acid...
In this paper, to evaluate the effect of the region of origin on the quality consistency of Shaoyao‐Gancao Decoction (SGD), the SGD fingerprint was developed for the first time. Chemometric methods including similarity analysis, hierarchical clustering analysis and principal component analysis were employed to study the quality consistency of SGD. Meanwhile, high‐performance liquid chromatography...
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