Determination of Matrine and Oxymatrine in Sophora flavescens by HPLC
Tian Juan, Zhimin Wang
Abstract
Tian Juan, Zhimin Wang
Abstract
Objective:To establish a high performance liquid chromatography(HPLC)method to determine the contents of matrine and oxymatrine in Sophora flavescens Ait.for selecting its suitable planting areas.Methods:A YWG-NH_2 was used as the solid phase,acetonitrile-3% phosphoric acid-ethand(80∶10∶10)as the mobile phase,with a detection wavelength at 220nm.Results:The calibration curves of matrine and oxymatrine were in good linearity over the rang of 0.050~0.061μg and 0.372~4.464μg,respectively.Conclusion:Sophora flavescens growing in Licheng,Zuoquan,Linfen in Shanxi province and Taibai in Shaanxi province contained higher oxymatrine than 3%.Content differences of matrine were smaller in different growing places.
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Objective:To establish a high performance liquid chromatography(HPLC)method to determine the contents of matrine and oxymatrine in Sophora flavescens Ait.for selecting its suitable planting areas.Methods:A YWG-NH_2 was used as the solid phase,acetonitrile-3% phosphoric acid-ethand(80∶10∶10)as the mobile phase,with a detection wavelength at 220nm.Results:The calibration curves of matrine and oxymatrine were in good linearity over the rang of 0.050~0.061μg and 0.372~4.464μg,respectively.Conclusion:Sophora flavescens growing in Licheng,Zuoquan,Linfen in Shanxi province and Taibai in Shaanxi province contained higher oxymatrine than 3%.Content differences of matrine were smaller in different growing places.
Key concepts: Matrine, Oxymatrine, Sophora flavescens, Sophora, High-performance liquid chromatography, Phosphoric acid, Chromatography, Chemistry