Cycloartane glycosides from Astragalus stereocalyx Bornm.

► Twelve cycloartane-type glycosides have been isolated from the roots of Astragalus stereocalyx among them, there are six cycloartane glycosides. ► Three compounds possess an aglycon characterized by the occurrence of a hydroxyl group at C-20. ► All the compounds were tested for their antiproliferative activity.