Extraction of the roots of Baptisia australis afforded a new triterpen
oid saponin, baptisiasaponin I together with kaikasaponin III. The str
ucture of baprisiasaponin I was elucidated as -D-xylopyranosyl-(1-->2)
-beta-D-glucuronopyranosyl sophoradiol on the basis of its spectral da
ta and chemical degradation. (C) 1998 Elsevier Science Ltd. All rights
reserved.