Analysis of Puerarin in Geqitongmaikeli by HPLC
Xia Zhang
Abstract
Xia Zhang
Abstract
AIM To establish a HPLC mathod for the determination of Puerarin in Geqitongmaikeli.[METHODS] The column: C 18(250 mm×4.6 mm,5.0 μm ). The mobile phase: methanol-water-phosphoric acid(25∶75∶1). The content of Puerarin was detected at 250 nm. [RESULTS] The linear range of the determination by HPLC is 16~56 μg/ml, the correlation coefficient is 0.999 9, the sample solution is stable within 24 h and the precision is good (RSD 0.15%).The recovery results are 100.17%. [CONCLUSION] The method is easy to operate and accurate.
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AIM To establish a HPLC mathod for the determination of Puerarin in Geqitongmaikeli.[METHODS] The column: C 18(250 mm×4.6 mm,5.0 μm ). The mobile phase: methanol-water-phosphoric acid(25∶75∶1). The content of Puerarin was detected at 250 nm. [RESULTS] The linear range of the determination by HPLC is 16~56 μg/ml, the correlation coefficient is 0.999 9, the sample solution is stable within 24 h and the precision is good (RSD 0.15%).The recovery results are 100.17%. [CONCLUSION] The method is easy to operate and accurate.
Key concepts: Puerarin, Chromatography, High-performance liquid chromatography, Phosphoric acid, Correlation coefficient, Linear correlation, Chemistry, Linear relationship