HPLC法同时测定虎杖膏中4种成分的含量
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篇名: | HPLC法同时测定虎杖膏中4种成分的含量 |
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摘要: | 目的:建立同时测定虎杖膏中虎杖苷、白藜芦醇、大黄素、大黄素甲醚含量的方法。方法:采用高效液相色谱法。色谱柱为Xtimate C18,流动相为乙腈-0.1%磷酸溶液(梯度洗脱),流速为1.0 mL/min,检测波长为286 nm,柱温为30 ℃,进样量为10 μL。结果: 虎杖苷、白藜芦醇、大黄素和大黄素甲醚检测质量浓度线性范围分别为10~60 μg/mL(r=0.999 4)、2.5~15 μg/mL(r=0.999 7)、5~30 μg/mL(r=0.999 8)、2~12 μg/mL(r=0.999 6);定量限分别为0.87、0.44、0.45、0.15 μg/mL,检测限分别为0.46、0.15、0.17、0.07 μg/mL;精密度、稳定性、重复性试验的RSD<2%;加样回收率分别为 95.00%~102.00%(RSD=2.25%,n=9)、95.00%~103.00%(RSD=2.97%,n=9)、95.00%~99.56%(RSD=2.05%,n=9)、97.50%~102.50%(RSD=1.59%,n=9)。结论:该方法准确可靠、操作简便,可用于虎杖膏中虎杖苷、白藜芦醇、大黄素、大黄素甲醚含量的同时测定。 |
ABSTRACT: | OBJECTIVE: To establish a method for the simultaneous determination of polydatin, resveratrol, emodin and physcion in Reynoutria japonica Cream. METHODS: HPLC was performed on the column of Xtimate C18 with mobile phase of acetonitrile-0.1%Phosphoric acid solution (gradient elution) at a flow rate of 1.0 mL/min, the detection wavelength was 286 nm, column temperature was 30 ℃,and the injection volume was 10 μL. RESULTS: The linear range was 10-60 μg/mL for polydatin (r=0.999 4), 2.5-15 μg/mL for resveratrol (r=0.999 7), 5-30 μg/mL for emodin (r=0.999 8) and 2-12 μg/mL for physcion (r=0.999 6);limit of quantitation was 0.87,0.44,0.45,0.15 μg/mL,limit of detection was 0.46,0.15,0.17,0.07 μg/mL; RSDs of precision, stability and reproducibility tests were lower than 2.0%;recoveries were 95.00%-102.00% (RSD=2.25%,n=9),95.00%-103.00% (RSD=2.97%,n=9),95.00%-99.56% (RSD=2.05%,n=9) and 97.50%-102.50% (RSD=1.59%,n=9), respectively. CONCLUSIONS: The method is reliable, simple, and can be used for the simultaneous determination of polydatin, resveratrol, emodin and physcion in R. japonica Cream. |
期刊: | 2017年第28卷第3期 |
作者: | 赵萍,王森,欧水平,任丽,王玉和 |
AUTHORS: | ZHAO Ping,WANG Sen,OU Shuiping,REN Li,WANG Yuhe |
关键字: | 高效液相色谱法;虎杖膏;虎杖苷;白藜芦醇;大黄素;大黄素甲醚;含量测定 |
KEYWORDS: | HPLC; Reynoutria japonica Cream; Polydatin; Resveratrol; Emodin; Physcion; Content determination |
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