A new triterpenoid saponin, vaccaroid B, has been isolated from the se
eds of Vaccaria segetalis and its structure was elucidated to be 3 bet
a-hydroxyolean-12-en-23, 28-dioic acid-28-O-beta-D-glucopyranosyl-(1 -
-> 3)-beta-D-glucopyranosyl-(1 --> hydroxy-3-methylglutaryl)-beta-D-gl
ucopyransoyl-(1 --> 2)]-beta-D-glucopyranoside by spectroscopic method
s. (C) 1997 Elsevier Science Ltd.