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2010•Zhongguo zhongyiyao xinxi zazhiRequires access

Determination of Chlorogenic Acid in Shuanghuanglian Keli by HPLC

Zhang Hongtao, Cai Jun-an, Guo XinHui

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Abstract

Objective To establish the method for detemining the content of chlorogenic acid in Shuanghuanglian Keli by HPLC.Methods Using Diamonsil ODS1 C18 column,with methanol-water-glacial acetic acid(15:85:1) as the mobile phase,detection wavelength as 324 nm and flow rate was 1.0 mL/min.Results The calibration curve was linear at the range of 0.060～1.210 μg for chlorogenic acid and the equation was Y=105 427X+586.43,r2=0.999 5.The average recovery was 99.3% and RSD was 0.82%(n=6).Conclusion This method was simple,accurate and proper,and the reduplication of the result was good,which provide scientific quantitative analysis method of chlorogenic acid in Shuanghuanglian Keli.

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What this paper is about

Objective To establish the method for detemining the content of chlorogenic acid in Shuanghuanglian Keli by HPLC.Methods Using Diamonsil ODS1 C18 column,with methanol-water-glacial acetic acid(15:85:1) as the mobile phase,detection wavelength as 324 nm and flow rate was 1.0 mL/min.Results The calibration curve was linear at the range of 0.060～1.210 μg for chlorogenic acid and the equation was Y=105 427X+586.43,r2=0.999 5.The average recovery was 99.3% and RSD was 0.82%(n=6).Conclusion This method was simple,accurate and proper,and the reduplication of the result was good,which provide scientific quantitative analysis method of chlorogenic acid in Shuanghuanglian Keli.

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Available abstract

Objective To establish the method for detemining the content of chlorogenic acid in Shuanghuanglian Keli by HPLC.Methods Using Diamonsil ODS1 C18 column,with methanol-water-glacial acetic acid(15:85:1) as the mobile phase,detection wavelength as 324 nm and flow rate was 1.0 mL/min.Results The calibration curve was linear at the range of 0.060～1.210 μg for chlorogenic acid and the equation was Y=105 427X+586.43,r2=0.999 5.The average recovery was 99.3% and RSD was 0.82%(n=6).Conclusion This method was simple,accurate and proper,and the reduplication of the result was good,which provide scientific quantitative analysis method of chlorogenic acid in Shuanghuanglian Keli.

Key concepts: Chlorogenic acid, Chromatography, Calibration curve, Chemistry, Acetic acid, High-performance liquid chromatography, Linear relationship, Linear range

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