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作 者:张湛睿[1] 李巧如[2] 杜洪霞[1] 索小薇 李钊[1]
机构地区:[1]西安医学院药学系,西安市710021 [2]陕西省人民医院药剂科,西安市710068
出 处:《中国药房》2007年第36期2847-2848,共2页China Pharmacy
摘 要:目的:建立以高效液相色谱法测定炎热清胶囊中黄芩苷含量的方法。方法:色谱柱为Hypersil BDS C18(150mm×4.6mm,5μm),流动相为甲醇水-磷酸(47:53:0.2),流速为1.0mL·min^-1柱温为室温,检测波长为280nm。结果:黄芩苷进样量在0.101~1.01μg范围内与峰面积积分值呈良好线性关系(r=0.9996);平均回收率为99.67%,RSD=0.82%(n=9)。结论:本方法简便、准确、灵敏、重现性好,可用于本制剂的质量控制。OBJECTIVE: To establish a HPLC method for the quantitative determination of Baicalin in Yanreqing capsule. METHODS: HPLC was performed on Hypersil BDS C18(150mm × 4.6mm, 5μm) with column at room temperature. The mobile phase consisted of methanol -water- phosphoric acid(47 : 53 : 0.2) at a flow rate of 1.0mL · min ^-1.The detection wavelength was set at 280nm. RESULTS: The linearity of Baicalin was good in the range of 0.101-1.01μg( r = 0.999 6) and the average recovery rate is 99.67% with RSD at 0.82% (n = 9) .CONCLUSION: The method is simple, accurate, sensitive and reproducible, and it can be applied for the quality control of Yanreqing capsule.
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