[Saponins in Bupleurum smithii Wolff var. parvifolium Shan et Y. Li]

Five saikosaponins and two saikosapogenins were isolated from the roots of Bupleurum smithii var. parvifolium by column chromatography, preparative-TLC and HPLC, and identified as saikosaponin a, saikosaponin d, saikosaponin b2, saikosaponin b4, chikusaikoside I, saikogenin F and saikogenin G on the basis of spectral analysis. All of them were isolated from this plant for the first time.