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  • Title: [Determination of cinnamic acid and glycyrrhizic acid in rat serum and its pharmacokinetics after oral administration of Dangguisini decoction].
    Author: Gao YQ, Wu J, Jiang RW, Zhao GP.
    Journal: Zhong Yao Cai; 2011 Mar; 34(3):408-11. PubMed ID: 21823460.
    Abstract:
    OBJECTIVE: To mensurate concentrations and pharmacokinetics of cinnamic acid and glycyrrhizic acid in rats after oral adiministration Dangguisini decoction. METHODS: To Determine serum concentration of cinnamic acid and glycyrrhizic acid by High-Performance Liquid Chromatography and calculate its parameter of pharmacokinetics in rats after oral administration of Dangguisini decoction via 3P97 software. RESULTS: Parameters of Pharmacokinetics of cinnamic acid and glycyrrhizic acid were Cmax 9.2008 (mg/L), AUC 304.0734 (mg/L) x min and Cmax 51.1330(mg/L), AUC 21476.9688 (mg/L) x min respectively in rats after oral administration of Dangguisini decoction. CONCLUSION: Absorption of cinnamic acid is quick and its metabolize is quick too, but metabolism of glycyrrhizic acid is oppositely slow in rats after oral administration of Dangguisini decoction.
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