Determination of Chlorogenic Acid Content in Xiaoerjinqiao Granules by RP-HPLC
Yongshou Yang
Abstract
Yongshou Yang
Abstract
Objective: To establish a HPLC method for content determination of chlorogenic acid in Xiaoerjinqiao Granules. Methods: We applied the Agilent XBP-C18(4.6 mm×250 mm,5μm) as the chromatographic column,and the mobile phase with acetonitrile-0.4% phosphoric acid solution(12:88) at the flow rate of 1.0 mL/min under the detection wavelength of 327 nm,and the column temperature of 25 ℃.Results: There was a good linear relationship in the concentration range of 0.05~5.00 μg/mL(r =1.0). The average recovery was 100.44% and RSD was 1.50%.Conclusion: The method appears to be simple,accurate and reliable,and can be used for the quality control of Xiaoerjinqiao Granules.
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Objective: To establish a HPLC method for content determination of chlorogenic acid in Xiaoerjinqiao Granules. Methods: We applied the Agilent XBP-C18(4.6 mm×250 mm,5μm) as the chromatographic column,and the mobile phase with acetonitrile-0.4% phosphoric acid solution(12:88) at the flow rate of 1.0 mL/min under the detection wavelength of 327 nm,and the column temperature of 25 ℃.Results: There was a good linear relationship in the concentration range of 0.05~5.00 μg/mL(r =1.0). The average recovery was 100.44% and RSD was 1.50%.Conclusion: The method appears to be simple,accurate and reliable,and can be used for the quality control of Xiaoerjinqiao Granules.
Key concepts: Chromatography, Chlorogenic acid, Phosphoric acid, High-performance liquid chromatography, Content determination, Chemistry, Linear relationship, Acetonitrile