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HPLC梯度洗脱法测定山栀苷甲酯、8-O-乙酰山栀苷甲酯在独一味中含量
Determination of Shanzhiside Methyl Ester and 8-O-acetylshanzhiside Methyl Ester in Lamiophlomis rotate(Benth.) Kudo by HPLC
【摘要】 目的建立独一味中山栀苷甲酯、8-O-乙酰山栀苷甲酯的HPLC检测方法。方法色谱柱Dikma platisil C18(250 mm×4.6 mm,5μm),柱温35℃,以乙腈-水进行梯度洗脱,流速1.0 mL/min,检测波长235 nm。结果山栀苷甲酯进样量在0.023 0~ 3.450 0μg范围内呈良好线性关系,r=0.999 3,8-O-乙酰山栀苷甲酯进样量在0.041 82~ 6.273μg范围内呈良好线性关系,r=0.999 6。山栀苷甲酯平均回收率为99.79%,RSD为1.63%,8-O-乙酰山栀苷甲酯平均回收率为99.62%,RSD为1.79%。结论 HPLC测定独一味中山栀苷甲酯、8-O-乙酰山栀苷甲酯结果准确可靠,快速,灵敏,重现性好。
【Abstract】 Objective To establish a method to determine Shanzhiside methyl ester and 8-O-acetylshanzhiside methyl ester in Lamiophlomis rotate(Benth.) Kudo by HPLC.Methods HPLC analysis was performed on Dikma platisil C18(250 mm×4.6 mm,5 μm) column with gradient elution of acetonitrile-water at a flow rate of 1.0mL/min.The column temperature was 30 ℃and the detection wavelength was 235nm.Results The linear range of Shanzhiside methyl ester was 0.023 0~3.450 0 μg,r=0.999 3.The linear range of 8-O-acetylshanzhiside methyl ester was 0.041 82~6.273 μg,r=0.999 6.The average recovery of Shanzhiside methyl ester was 99.79% with RSD 1.63%,the average recovery of 8-O-acetylshanzhiside methyl ester was 99.62% with RSD 1.79%.Conclusion The method is sentitive,rapid and reproducible.
【Key words】 Lamiophlomis rotate(Benth.) Kudo; Shanzhiside methyl ester; 8-O-acetylshanzhiside methyl ester; HPLC; Determination;
- 【文献出处】 现代中药研究与实践 ,Research and Practice on Chinese Medicines , 编辑部邮箱 ,2011年05期
- 【分类号】R284
- 【被引频次】1
- 【下载频次】227