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Pharmacokinetic Features of Reactive Sulfide in Plasma of Rats After Oral Administration of Cinnabaris by Using HPLC Coupled with Pre-column Derivatization / 中国中医药信息杂志
Chinese Journal of Information on Traditional Chinese Medicine ; (12): 86-89, 2018.
Article in Chinese | WPRIM | ID: wpr-707031
ABSTRACT
Objective To study the pharmacokinetic features of reactive sulfide in rats after oral administration of Cinnabaris. Methods An HPLC coupled with precolumn derivatization method was developed for the pharmacokinetic features study on reactive sulfide in rats after oral administration of Cinnabaris. Results Good linearity (r>0.99) was found for reactive sulfide in plasma in the concentration range of 0.25–15 μmol/L (r>0.99). The LOQ and LOD of the method were 0.1 μmol/L and 0.02 μmol/L, respectively. The intra- and inter-day precision was less than 4.4% and 3.5% respectively, and the accuracy was -9.9%–6.0%. The average recovery rate was 74.9%. 0.6 g/kg Cinnabaris was given the rats for gavage, and the time-course pharmacokinetics parameters were as followsCmax(1.33±0.13) μmol/L, tmax(150±34) min, t1/2(323±62) min, AUC0-∞ (5743±297) ng/mL?h. Conclusion A sensitive, robust and accurate precolumn derivatization-HPLC method for the determination of plasma reactive sulfide is developed and validated. The method is successfully applied in the pharmacokinetic features study on reactive sulfide in plasma of rats after administration of Cinnabaris.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Information on Traditional Chinese Medicine Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Information on Traditional Chinese Medicine Year: 2018 Type: Article