alexa Abstract | Simultaneous quantification of six major flavonoids from Fructus sophorae by LC-ESI-MS/MS and statistical analysis

Indian Journal of Pharmaceutical Sciences
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Research Paper Open Access


A new, sensitive and selective high-performance liquid chromatography-tandem mass spectrometric method has been developed for the determination of six major flavonoids including sophoricoside, genistin, genistein, rutin, quercetin, kaempferol in Fructus sophorae. Principal component analysis and hierarchical clustering analysis were used to classify and differentiate these samples. Chromatographic separation was performed on a C 18 column with linear gradient elution of methanol and 0.05% acetic acid (v/v) at a flow rate of 0.8 ml/min. The detection was accomplished in the negative mode using multiple-reaction monitoring. The total run time was 8.0 min. Full validation of the assay was carried out including linearity, precision, accuracy, recovery, limit of detection and limit of quantification. The validated method was successfully applied to the simultaneous determination of these active components in Fructus sophorae. The results demonstrated that the quantitative difference in content of six active compounds was useful for chemotaxonomy of many samples from different sources and the standardization and differentiation of many similar samples. Simultaneous quantification of bioactive components by high-performance liquid chromatography-tandem mass spectrometric method coupled with chemometric techniques would be a well-acceptable strategy to comprehensively control the quality of Fructus sophorae.

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Author(s): L Chang XX Zhang YP Ren L Cao XR Zhi LT Zhang


Flavonoids, Fructus sophorae, quantification, LC-MS/MS, principal components analysis, hierarchical clustering analysis

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