The concentrations of puerarin, daidzin and daidzein in commercial extract of Puerariae radix were simultaneously quantified by a gradient high performance liquid chromatographic method (HPLC).

• 方法利用HPLC梯度冲提法同时定量葛根浓缩散剂中葛根系、大豆苷及大豆苷元之含量。