T. Miyase et al., 6 NEW PRESENEGENIN GLYCOSIDES, REINIOSIDES A-F, FROM POLYGALA-REINII ROOT, Chemical and Pharmaceutical Bulletin, 43(3), 1995, pp. 466-472
Six new oleanane-type triterpene saponins, called reiniosides A-F, wer
e isolated from the roots of Polygala reinii FR. et SAV. and their str
uctures were elucidated by spectroscopic and chemical means.