A rapid method for the simultaneous determination of daidzein,genistein and formonetin in solanum Lyratum Thunb by high performance liquid chromatography(HPLC)was developed.Separation was achieved on a Diamonsil C18 c...A rapid method for the simultaneous determination of daidzein,genistein and formonetin in solanum Lyratum Thunb by high performance liquid chromatography(HPLC)was developed.Separation was achieved on a Diamonsil C18 column(250 mm×4.6 mm,5 μm)with isocratic elution,using a mobile phase of methanol-tetrahydrofuran-water(44∶3∶53,v/v).The wavelength was set at 260 nm and column was maintained at 35 ℃.The linear ranges of daidzein,genistein and formonetin were 1.0-40.0,0.1-4.0 and 0.1-4.0 μg/mL,respectively.The average recoveries were between 98.4% and 101.3%.This method could be used for the quality control of Solanum lyratum Thunb due to its simplification,reliability,rapidity and excellent precision.展开更多
基金supported by Liaoning Technology Gallery(2007226011)Shenyang Technology Division(1071164-9-00)
文摘A rapid method for the simultaneous determination of daidzein,genistein and formonetin in solanum Lyratum Thunb by high performance liquid chromatography(HPLC)was developed.Separation was achieved on a Diamonsil C18 column(250 mm×4.6 mm,5 μm)with isocratic elution,using a mobile phase of methanol-tetrahydrofuran-water(44∶3∶53,v/v).The wavelength was set at 260 nm and column was maintained at 35 ℃.The linear ranges of daidzein,genistein and formonetin were 1.0-40.0,0.1-4.0 and 0.1-4.0 μg/mL,respectively.The average recoveries were between 98.4% and 101.3%.This method could be used for the quality control of Solanum lyratum Thunb due to its simplification,reliability,rapidity and excellent precision.