【摘要】 目的　建立小鼠口服赤芍胡椒复方后血浆中芍药苷浓度的RP- HPL C定量分析方法。方法　以甲醇-水(38∶6 2 )为流动相。色谱柱为Krom asil C1 8(2 5 0 mm×4 .6 mm ,7μm ) ,体积流量为0 .5 m L / m in,以二极管阵列检测器获取2 30 nm波长下数据,采用外标定量法。结果　芍药苷与血浆中其他成分能很好分离,芍药苷在5 .0～2 5 0 .0ng/μL线性关系良好(r=0 .9999) ,最低检测质量浓度为1.4 9ng/μL ,平均回收率大于90 %。结论　本方法准确性、灵敏度、专一性高,可为芍药苷的体内血浆药物浓度分析提供有意义的方法学参考。更多还原

【Abstract】 Objective An HPLC method was established for determination of paeoniflorin in plasma after ig compound decoction of Radix Paeoniae Rubra with Fructus Piperis to mice. Methods The conditions of chromatography: Kromasil C 18 column (250 mm × 4.6 mm, 7 μm) was used with a mobile phase of CH 3OH-H 2O ( 38∶ 62); flow rate was 0.5 mL/min; the detecting wavelength was 230 nm; external standard method was quantitative analysis method. Results Paeoniflorin was fully separated from the other components in plasma. The linear range was 5.0—250.0 ng/μL (r= 0.999 9 ), the lowest detectability was 1.49 ng/μL, the average recovery was higher than 90%. Conclusion This method specially provides an accurate and sensitive way in detecting the in vivo blood concentration of paeoniflorin in plasma.更多还原