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作 者:贺婧[1] 王文静[1] 姜婷婷[1] 李励珺 黄罗生[1] 富志军[1]
机构地区:[1]中国药科大学,南京211198
出 处:《海峡药学》2015年第4期21-23,共3页Strait Pharmaceutical Journal
摘 要:目的:考察三七总皂苷与Labrafil M1944CS以不同比例混合后对大鼠体内药代动力学参数和生物利用度的影响。方法以人参皂苷Rg1为检测指标,大鼠分别灌胃三七总皂苷水溶液和三七总皂苷-Labrafil M1944CS复合溶液后,采用 HPLC测定血药浓度的变化。计算其房室模型药动学参数,根据药-时曲线下面积AUCt 和给药剂量,分别计算其绝对生物利用度。结果人参皂苷 Rg1血浆样品在0.51~51.00μg·mL -1范围内线性关系良好(r=0.999),高、中、低3个浓度的提取回收率分别为88%、91%、88%。大鼠灌胃给予不同比例的三七总皂苷-Labrafil M1944CS复合溶液(三七总皂苷与Labrafil M1944CS比例分别为1∶0.1、1∶0.5、1∶1、1∶1.5、1∶2)和三七总皂苷水溶液,人参皂苷Rg1的达峰时间分别为0.25h、0.25h、0.5h、0.25h、0.5h、0.25h,AUCt 分别为(17.54±2.95)、(11.45±0.40)、(33.22±3.98)、(23.56±0.70)、(37.96±1.12)、(16.45±2.33)μg/(h? mL),其绝对生物利用度分别为0.88%、0.58%、1.67%、1.18%、1.91%、0.83%。结论当三七总皂苷与 Labrafil M1944CS比例为1∶1、1∶1.5、1∶2时能显著提高三七总皂苷的绝对生物利用度。OBJECTIVE To investigate the pharmacokinetics and bioavailability of PNS-Labrafil M1944CS so-lution with different ratio in rats.METHODS The serum concentrations of ginsenoside Rg1 was detected by HPLC.The pharmacokinetics parameters and absolute bioavailability was calculated after i.g.administration PNS so-lution and PNS-Labrafil M1944CS solution.RESULTS The calibration curve of Rg1 was linear at a range of 0.51~51.00μg· mL-1(r=0.999).The extracted recoveries were 88%,91%,88% at high,middle and low concentra-tions,respectively.Rats were orally administered the PNS-Labrafil M1944CS solution ( the ratio of PNS and Labrafil M1944CS was 1∶0.1,1∶0.5,1∶1,1∶1.5,1∶2,respectively) and PNS solution.The peak time of Rg1 were 0.25h, 0.25h,0.5h,0.25h,0.5h,0.25h,respectively.AUCt were (17.54 ±2.95),(11.45 ±0.40),(33.22 ±3.98), (23.56 ±0.70),(37.96 ±1.12),(16.45 ±2.3)μg/(h· mL),respectively.The absolute bioavailability were 0.88%,0.58%,1.67%,1.18%,1.91%,0.83%,respectively.CONCLUSION The PNS-Labrafil M1944CS so-lution with the ratio of 1∶1,1∶1.5,1∶2 can significantly improve the absolute bioavailability of PNS.
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