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A simple, sensitive and rapid method for the analysis of jasminoidin in rabbit plasma by liquid chromatography coupled to tandem mass spectrometry was developed. Detection was by positive ion electrospray ionization in multiple reactions monitoring mode. The method included a chromatographic run of 5.0 min using a C18 analytical column and the calibration curve was linear over the concentration range...
A valid and sensitive LC-MS–MS method is adopted for pharmacokinetics study of berberine and palmatine in rabbit plasma. After mixing with internal standard tetrahydroberberine, plasma samples were pretreated with 1.5 mL acetonitrile. Chromatographic separation was on a C18 column using a mixture of water (containing 10 mmol L−1 ammonium acetate, pH 3.5) and acetonitrile (50∶50, v/v) as mobile phase...
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