Abstract
High-performance liquid chromatographic (HPLC) with evaporative light scattering detection (ELSD) and HPLC with electrospray ionization multistage tandem mass spectrometry (HPLC–ESI-MS n ) were used to identify and quantify steroid saponins in Paris and Trillium plants. The content of the known saponins such as Paris I, II, III, V, VI, VII, H, gracillin and protodioscin in Paris and Trillium plants was determined simultaneously using the developed HPLC-ELSD method. Furthermore, other 12 steroid saponins were identified by HPLC–ESI(+/−)-MS n detection. In the end, a developed analytical procedure was proved to be a reliable and rapid method for the quality control of Paris and Trillium plants. In addition, the alternative resources for Paris yunnanensis used as a traditional Chinese medicine were discovered according to the hierarchical clustering analysis of the saponin fraction of these plants.
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