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Simultaneous determination of 5 major bioactive components in hugu capsule by HPLC-DAD
Li-Jun Song1, Wen-Chang Zhao, Qiu-Ling Zeng
1School of Pharmacy, Guangdong Medical College, Dongguan 523808, China.
Objective:
To develop a qualitative and quantitative determination of multiple components for quality control of Hugu Capsule, a composite prescription in TCM.
Methods:
HPLC analysis was performed on a Kromasil C18 column (5.0 microm, 250 mm x 4.6 mm) by gradient elution with methanol-acetonitrile-1% glacial acetic acid as the mobile phase at a flow-rate of 0.8 mL/min,the detection wavelengths were set at 270, 283, 320 and 325 nm at the temperature of 30 degrees C.
Results:
Five components: chlorogenic acid, tetrahydroxy stilbene glucoside, ferulaic acid, naringin and icariin were simultaneously analyzed in this study. The calibration curves were exhibited linear regressions of at least r > 0.9992. The injection precision,the intra-day precisions and the analysis repeatability were evaluated with the RSD values were all less than 5%. The mean recoveries of the five components were ranged from 97.4% to 99.4%, and RSD values all were less than 1.72%.
Conclusion:
This method is found to be convenient, fast, accurate, and is applicable to analyze the multi-constituents in Hugu Capsule.
