Yan-hui Kuang

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To optimize the purification process of gynostemma pentaphyllum saponins (GPS) based on "adjoint marker" online control technology with GPS as the testing index. UPLC-QTOF-MS technology was used for qualitative analysis. "Adjoint marker" online control results showed that the end point of load sample was that the UV absorbance of effluent liquid was equal(More)
Current quality control patterns are limited to industrial application, for most of the natural chemical reference substances are expensive and unavailable. Herein, a method, quantitative analysis of multi-components with single marker (QAMS), was established and validated to simultaneously determine nine ginsenosides (ginsenoside Rg1, Re, Rf, Rh1, Rb1, Rc,(More)
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