Triterpenoid saponins and phenylethanoid glycosides from stem of Akebia trifoliata var. australis

Triterpenoid saponins, named mutongsaponin A, B, C, D and E, were isolated along with 12 known triterpenoid saponins and three phenylethanoid glycosides from the stem of Akebia trifoliata var. australis.