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Characterization of the global metabolic profile of liquiritin in rat plasma, urine, bile and feces based on UHPLC-FT-ICR MS

机译:基于UHPLC-FT-ICR MS表征大鼠血浆,尿液,胆汁和粪便中脂蛋白的全球代谢谱

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Liquiritin is a major flavonoid in Radix Glycyrrhizae and it has been reported to possess various pharmacological activities. In the present work, a strategy based on an ultra high performance liquid chromatography combined with Fourier transform ion cyclotron resonance mass spectrometry (UHPLC-FT-ICR MS) method was proposed to systematically characterize the in vivo metabolites of liquiritin for the first time. After oral administration of liquiritin to rats in a single dose of 120?mg kg ~(?1) , the rat plasma, urine, feces and bile samples were collected and used to discover metabolites. As a result, besides the parent drug, a total of 76 metabolites (6 phase I and 70 phase II metabolites) of liquiritin were detected and tentatively identified. It was indicated that the metabolic pathways of liquiritin in rats included oxidation, reduction, deglycosylation, isomerization, methylation, glucuronidation and sulfation. In summary, the results could provide valuable information regarding the metabolism of liquiritin in rats, which could contribute to a better understanding of its action mechanism.
机译:甘草甜素是甘草中的主要类黄酮,据报道它具有多种药理活性。在本工作中,提出了一种基于超高效液相色谱结合傅立叶变换离子回旋共振质谱法(UHPLC-FT-ICR MS)方法的策略,首次系统地表征了Liquiritin的体内代谢产物。以120?mg kg〜(?1)的单剂量口服给大鼠口服利quiritin后,收集大鼠血浆,尿液,粪便和胆汁样品并用于发现代谢物。结果,除母体药物外,还检测并初步鉴定了脂蛋白的76种代谢产物(I期6种代谢物和II期70种代谢产物)。结果表明,大鼠白蛋白的代谢途径包括氧化,还原,去糖基化,异构化,甲基化,葡糖醛酸化和硫酸化。综上所述,该结果可提供有关大鼠中liquiritin代谢的有价值的信息,有助于更好地了解其作用机理。

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