Determination of puerarin in ganmaozhike granule by HPLC
HU An-qing
Abstract
HU An-qing
Abstract
Aim To determine the content of puerarin by RP-HPLC in Ganmaozhike granule.Methods The determination was carried out with Kromasil C18 column.The mobile phase consisted of CH3OH-1.8% CH3COOH(25∶ 75).The flow rate was 1ml·min-1 and the detection wavelength was at 250 nm.Results The content of ganmaozhike granule puerarin can be determined by HPLC.The linear concentration range was 5.915~47.32 μg and the average recovery was 99.4%,with RSD being 0.5%(n=6).Conclusion The method is simple,accurate and can be used to control the quality of ganmaozhike granule.
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Aim To determine the content of puerarin by RP-HPLC in Ganmaozhike granule.Methods The determination was carried out with Kromasil C18 column.The mobile phase consisted of CH3OH-1.8% CH3COOH(25∶ 75).The flow rate was 1ml·min-1 and the detection wavelength was at 250 nm.Results The content of ganmaozhike granule puerarin can be determined by HPLC.The linear concentration range was 5.915~47.32 μg and the average recovery was 99.4%,with RSD being 0.5%(n=6).Conclusion The method is simple,accurate and can be used to control the quality of ganmaozhike granule.
Key concepts: Puerarin, Granule (geology), Chromatography, High-performance liquid chromatography, Chemistry, Linear range, Content determination, Linear relationship