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  • Glucuronide-sulfate diconjugate as a novel metabolite of glycyrrhetic acid in rat bile

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    Author(s)
    Jing, J
    Ren, W
    Chen, X
    Wang, Y
    Yu, Q
    Wang, G
    Davey, AK
    Wang, J
    Jing, N
    Griffith University Author(s)
    Davey, Andrew
    Year published
    2008
    Metadata
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    Abstract
    To study the metabolites of glycyrrhetic acid (GA) in rat bile, an analytical method was developed to identify GA and its metabolites by liquid chromatography mass spectrometry (LC-MS). Rat bile was collected after i.v. injection of GA. Three major GA-related peaks were detectable in rat bile by high-performance liquid chromatography (HPLC) analysis at 254 nm. LC-MS spectra showed their protonated molecular ions at m/z 727, 647, and 551. Furthermore, the three metabolites were also confirmed to exist in rat bile on LC-MS total ion chromatogram (TIC). Taken together with the susceptible nature to ߭glucuronidase digestion and ...
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    To study the metabolites of glycyrrhetic acid (GA) in rat bile, an analytical method was developed to identify GA and its metabolites by liquid chromatography mass spectrometry (LC-MS). Rat bile was collected after i.v. injection of GA. Three major GA-related peaks were detectable in rat bile by high-performance liquid chromatography (HPLC) analysis at 254 nm. LC-MS spectra showed their protonated molecular ions at m/z 727, 647, and 551. Furthermore, the three metabolites were also confirmed to exist in rat bile on LC-MS total ion chromatogram (TIC). Taken together with the susceptible nature to ߭glucuronidase digestion and alkaline conditions, they were identified to be a novel sulfate-glucuronide diconjugate and the known monoglucuronide and sulfate conjugate, respectively.
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    Journal Title
    Drug Metabolism and Pharmacokinetics
    Volume
    23
    Issue
    3
    Publisher URI
    http://www.jstage.jst.go.jp/article/dmpk/23/3/23_175/_article
    Copyright Statement
    © 2008 The Japanese Society for the Study of Xenobiotics (JSSX). The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the conference's website for access to the definitive, published version.
    Subject
    Basic Pharmacology
    Medical Biochemistry and Metabolomics
    Pharmacology and Pharmaceutical Sciences
    Publication URI
    http://hdl.handle.net/10072/40455
    Collection
    • Journal articles

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