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作 者:赵君操[1]
出 处:《中国药房》2007年第33期2607-2608,共2页China Pharmacy
摘 要:目的:建立以反相高效液相色谱法测定甘露消渴胶囊中熊果酸含量的方法。方法:色谱柱为HypersilC18(200mm×4.6mm,5μm),流动相为0.05%的磷酸-甲醇(15:85),流速为lmL·min^-1,柱温为4012,检测波长为207nm。结果:熊果酸进样量在0.96~4.80μg范围内与峰面积积分值呈良好线性关系(r=0.9999);平均回收率为94.30%,RSD。1.57%(n=6)。结论:本方法简便、精密度高、重现性好,可用于甘露消渴胶囊的质量控制。OBJECTIVE: To establish a RP - HPLC method for the determination of Ursolic acid in Ganluxiaoke capsules. METHODS: The chromatographic column was Hypersil C18(200mm × 4.6mm, 5μm) at a temperature of 40℃ ; the mobile phase was 0.05% phosphoric acid - methanol (15 : 85) at a flow velocity of lmL · min^-1 and the detection wavelength was set at 207nm. RESULTS: The linear concentration range of Ursolic acid was within 0.96-4.80μg(r = 0.999 9) . The average re- covery rate was 94.30% (RSD = 1.57%, n = 6) .CONCLUSION: This method is simple, precise and reproducible, and it can be used for the quality control of Ganluxiaoke capsules.
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