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Published:
Jan 13, 2022Keywords:
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Main Article Content
Studies of the pharmacokinetics of morroniside and loganin in rat after oral administration of raw and wine-processed Corni fructus by UPLC-QqQ-MS/MS
Abstract
Purpose: To study the pharmacokinetics of morroniside (MR) and loganin (LG) in rats after oral administration of raw and wine-processed Corni fructus by UPLC-QqQ-MS/MS.
Methods: Arctiin (AT) was used as internal standard, and the plasma or tissue samples were extracted twice using ethyl acetate. Electrospray ionization (ESI) negative ion mode was used, and the multiple reaction monitoring mode (MRM) was set in acquisition mode. The extraction and detection method is supported by selectivity, sensitivity, precision, accuracy, stability, extraction, recovery and matrix effect. The non-atrioventricular model of das2.0 software was used to calculate the pharmacokinetic parameters.
Results: The absorption rate of MR (PTmax=0.092) and LG (PTmax=0.092) in Corni Fructus after wine-processing was faster in rats. The mean residence time was longer, and distribution of MR (PMRT0~t = 0.294) and LG (PMRT0~t = 0.000) in wine-processed Corni Fructus group increased in liver and kidneys.
Conclusion: The proposed method has been successfully validated and is suitable for studying the pharmacokinetics of the two analytes in rats.
