Abstract
This study analyzed the plasma components of Gegen Decoction(GGD) by ultra-high-performance liquid chromatography-quadrupole-time of flight mass spectrometry(UHPLC-Q-TOF-MS), which is expected to serve as a reference for exploring the pharmacodynamic substances of GGD. Female Wistar rats were given(ig) GGD and then plasma samples were collected and analyzed by UHPLC-Q-TOF-MS. The results showed that 42 chemical components were identified: 25 prototypes(14 from Puerariae Lobatae Radix, 6 from Glycyrrhizae Radix et Rhizoma, 3 from Paeoniae Radix Alba, and 2 from Ephedrae Herba) and 17 metabolites(from isoflavonoids in Puerariae Lobatae Radix and Glycyrrhizae Radix et Rhizoma). UHPLC-Q-TOF-MS was employed to achieve rapid analysis of plasma components of GGD, laying a basis for elucidating the therapeutic material basis and mechanism of GGD.
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