【作者】 李燕; 刘新;
【Author】 LI Yan,et al (Department of Natural Medicinal Chemistry,College of Pharmacy,Chongqing Medical University)
【机构】 重庆医科大学药学院天然药物化学教研室药物重庆市高校工程研究中心;
【摘要】 目的:建立RP-HPLC法测定雷公藤外用凝胶中雷公藤甲素的含量。方法:采用Diamonsil C18色谱柱(250mm×4.6mmi.d,5μm),检测波长为220nm,流动相为甲醇∶水(46∶54),流速1ml/min,柱温为室温。结果:在10.24~51.20μg/ml间,雷公藤甲素的浓度与峰面积积分值呈良好的线性关系(r=0.9997),方法回收率为98.3%,RSD为0.23%(n=5)。结论:此方法准确、简便,可用于雷公藤甲素外用凝胶中雷公藤甲素的含量测定。 更多还原
【Abstract】 Objective:To develop an HPLC method for the assay of the content of triptolide in triptolide gel. Methods:The content of triptolide was measured by HPLC on Diamonsil C18 column(250mm×4.6mm i.d,5μm)using methanol-water(46∶54,v/v)as mobile phase,at a flow rate of 1.0ml/min. The UV detection was set at 220nm. Results:The calibration curve was proved to be linear in the range of 10.24~51.20μg/ml with a regression coeficient of 0.999 7. The average recovery of the method was 98.3%;RSD was 0.23%(n=5).... 更多还原
【关键词】 高效
液相色谱法; 雷公藤甲素; 凝胶;
【Key words】 HPLC; Triptolide; Gel;