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    Royal society of chemistry-12 Mar 2020


    The development and validation of an HPLC-MS/MS method for the determination of eriocitrin in rat plasma and its application to a pharmacokinetic study

    期刊名:RSC Advances
    文獻編號:DOI 10.1039/C9RA10925K
    發表日期:12 Mar 2020


    Eriocitrin is one of the major active constituents of lemon fruit, and it possesses strong antioxidant, lipid-lowering, anticancer and anti-inflammatory activities and has long been used in food, beverages and wine. In this study, for the first time, a rapid, selective, and sensitive liquid chromatography-tandem mass spectrometry method (LC/MS/MS) with protein precipitation was developed and validated for the analysis of eriocitrin in rat plasma. Chromatographic separation was achieved using a mobile phase, comprising 0.1% formic acid aqueous solution and acetonitrile eluted at a flow rate of 0.8 mL min−1. In multiple reaction monitoring (MRM) modes, eriocitrin and internal standard (IS) were quantified using precursor-to-product ion transitions of m/z 595.4 → 287.1 and m/z 252.0 → 155.9, respectively. The intra- and inter-day precision (RSD) were below 6.79% in plasma, while accuracy (RE) was within ±7.67%. The matrix effect, recovery and stability were also demonstrated to be within acceptable limits. This method was successfully employed in the pharmacokinetic study on rats after the oral administration of eriocitrin. The pharmacokinetic parameters show that the maximum plasma concentration (Cmax) of eriocitrin was 299.833 ± 16.743 μg L−1, while the corresponding time to reach Cmax(Tmax) was 0.094 ± 0.019 h, and the half-time (T1/2) was 1.752 ± 0.323 h. The present results would be valuable for further research and development of eriocitrin.

    Eriocitrin (13463-28-0, purity > 98.5%) was obtained from Chengdu Desite Biological Technology Co., Ltd (Chengdu, China)

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