Analysis of astragalosides I, II and IV in some Egyptian Astragalus species and Astragalus dietary supplements using high‐performance liquid chromatography/evaporative light scattering detector and non‐parametric regression

Introduction GenuTs Astragalus L. is characterised by the presence of cycloartane saponins which have wide biological activities such as antioxidant, immunomodulating‚ hepatoprotective and anti‐inflammatory activities. From these cycloartane saponins are astragalosides I, II and IV which have been regarded as the most important active constituents in Astragalus species. Objectives This work describes the quantitative analysis of astragalosides...