Oligosaccharide polyester and triterpenoid saponins from the roots of Polygala japonica - PhytoChemistry, 69(7), p.1617-1624, 2008 . Subjects--Topical Terms: POLYGALA JAPONICAPOLYGALACEAEOLIGOSACCHARIDE POLYESTERTRITERPENOID SAPONINSPOLYGALAJAPONICOSEPOLYGALASAPONIN