Determination of chlorogenic acid in the extraction of Flos Lonicerae by reversed-phase HPLC
Ying-Qin Wei
Abstract
Ying-Qin Wei
Abstract
To make a rapid and accurate method for determination of chlorogenic acid in the extraction of Flos Lonicerae by reversed-phase HPLC.Experiments were carried out on a Kromasil C18 collumn(250mm×(4.6)mm,5μm);mobile phase:a solution of 0.3% phosphoric acid-acetonitrile(90∶10,V/V);detection wavelength:327nm;injection volume:20μL.Chlorogenic acid in the extraction of Flos Lonicerae was well separated.Chlorogenic acid had a good linearity in the range of 0.0256~0.0896 mg·mL and the average recovery rate was 97.58%.The new method was suitable for determination of chlorogenic acid in the extraction of Flos Lonicerae by reversed-phase HPLC.
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To make a rapid and accurate method for determination of chlorogenic acid in the extraction of Flos Lonicerae by reversed-phase HPLC.Experiments were carried out on a Kromasil C18 collumn(250mm×(4.6)mm,5μm);mobile phase:a solution of 0.3% phosphoric acid-acetonitrile(90∶10,V/V);detection wavelength:327nm;injection volume:20μL.Chlorogenic acid in the extraction of Flos Lonicerae was well separated.Chlorogenic acid had a good linearity in the range of 0.0256~0.0896 mg·mL and the average recovery rate was 97.58%.The new method was suitable for determination of chlorogenic acid in the extraction of Flos Lonicerae by reversed-phase HPLC.
Key concepts: Chlorogenic acid, Flos, Chromatography, High-performance liquid chromatography, Chemistry, Phosphoric acid, Extraction (chemistry), Acetonitrile