摘要
目的:改进2005年版《中国药典》小儿热速清口服液中含量测定的方法。方法:采用高效液相色谱法测定制剂中黄芩苷含量,色谱柱为Agilent zorbax SB-C18(150mm×4.6mm,5μm),流动相为甲醇-水-磷酸(45:55:0.2),流速为1.0mL·min-1,检测波长为276nm。结果:黄芩苷进样浓度在0.5~100μg·mL-1范围内与峰面积积分值呈良好的线性关系(r=0.9999);平均回收率为99.83%,RSD=0.99%(n=9)。结论:本方法快速、简便、准确,可为新版《中国药典》中小儿热速清口服液中含量测定方法提供参考依据。
OBJECTIVE:To improve the determination method of Xiao'er resuqing oral solution in Chinese Pharmacopeia(2005 edition).METHODS:HPLC method was used to determine the content of baicalin.The separation was performed on Agilent zorbax SB-C18(150 mm×4.6 mm,5 ?m) column with methanol-water-phosphoric acid(45:55:0.2) as the mobile phase at flow rate of 1.0 mL·min^-1.The detection wavelength was set at 276 nm.RESULTS:The linear range of baicalin was 0.5~100 μg·mL^-1(r=0.999 9) with an average recovery of 99.83%(RSD=0.99%,n=9).CONCLUSION:The method is rapid,convenient and accurate,and can be used as reference evidence for the content determination of Xiao'er resuqing oral solution in Chinese Pharmacopoeia(2005 edition).
出处
《中国药房》
CAS
CSCD
北大核心
2010年第27期2559-2560,共2页
China Pharmacy