HPLC法测定柴胡片中柴胡皂苷a的含量
发表时间:2014-06-03 浏览次数:1216次
栾韦伯.HPLC法测定柴胡片中柴胡皂苷a的含量[J].黑龙江医药,2012,25(2).190-192
柴胡片;柴胡皂苷a;HPLC法
栾韦伯
哈药集团世一堂制药厂(黑龙江 哈尔滨 150078)
2012
190-192
知网
目的:建立HPLC法测定柴胡片中柴胡皂苷a含量的方法。方法:样品经70%甲醇超声提取后,采用HPLC法测定柴胡片中柴胡皂苷a的含量,使用C18色谱柱,乙睛-水(35∶65)为流动相.检测波长208nm,流速1.0mL/min。结果:柴胡皂苷a线性范围1.005~9.045μg,相关系数r=0.99964,平均回收率98.92%。结论:样品处理方法合理,方法学考察符合定量要求,结果准确,可用于柴胡片中柴胡皂苷a的含量测定。 Objective:To establish an HPLC method for the determination of Saikosaponin a in Chaihu Tablets.Methods:70% methanol ultrasound samples extracted,using HPLC Modified Chaihu Tablets Saikosaponin a content,the use of C18,acetonitrile -water(35∶65)as the mobile phase.The detection wavelength was 208nm.the flow rate was 1.0 ml?min-1.Results:Saikosaponin a linear range of 1.005~9.045μg,the correlation coefficient r = 0.99964,the average recovery rate of 98.92%.Conclusion:Sample reasonable approach,methodology study with quantitative requirements,and accuracy of the results that can be used Chaihu Tablets Saikosaponin a Determination.