Determination of Isofraxidin in Medofenoxate Fruits by HPLC
Junyi Zhu
Abstract
Junyi Zhu
Abstract
Objective To establish a HPLC method for the determination of isofraxidin in medofenoxate fruits.Methods Agilent XDB C18(4.6 mm×150 mm,5μm) column was applied,using methanol-0.2% phosphoric acid (27:73)as mobile phase with the rate of 1.0mL·min-1.The column temperature was room temperature,the injection volumn was 10μL and the detective wavelength was 343 nm.Results A good linearity was obtained over the range of 0.835~4.176μg·mL-1 for isofraxidin(r=0.9996).The average recovery(n=6) was 100.74%(RSD=0.44%).Conclusion The method is practical,convenient,accurate,and can be used as the determination of isofraxidin in medofenoxate fruits.
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Objective To establish a HPLC method for the determination of isofraxidin in medofenoxate fruits.Methods Agilent XDB C18(4.6 mm×150 mm,5μm) column was applied,using methanol-0.2% phosphoric acid (27:73)as mobile phase with the rate of 1.0mL·min-1.The column temperature was room temperature,the injection volumn was 10μL and the detective wavelength was 343 nm.Results A good linearity was obtained over the range of 0.835~4.176μg·mL-1 for isofraxidin(r=0.9996).The average recovery(n=6) was 100.74%(RSD=0.44%).Conclusion The method is practical,convenient,accurate,and can be used as the determination of isofraxidin in medofenoxate fruits.
Key concepts: Phosphoric acid, Chromatography, High-performance liquid chromatography, Chemistry, Methanol, Recovery rate, Organic chemistry