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Picroside II is one of the main active constituents of Picrorhiza kurroa, which has hepatoprotective, anticholestatic, antioxidant, and immune-modulating activity. To gain an understanding of the biotransformation of picroside II in vivo, liquid chromatography–electrospray ionization ion-trap mass spectrometry (LC–ESI–IT–MS) was used to investigate the metabolism of picroside II in rats after intravenous...
A sensitive, specific and rapid high-performance liquid chromatography method was developed for determination of 5,6,7,8,3′,4′-hexamethoxy-3-sulfonyl flavone in rat plasma. A simple methanol-induced protein precipitation was applied to extract 5,6,7,8,3′,4′-hexamethoxy-3-sulfonyl flavone and Picroside II (the internal standard) from rat plasma. Chromatographic separation was achieved on a Hypersil...
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