Triterpene Saponins from Knautia integrifolia var. bidens
Articles > Article · 2004
Authors: Özgen ALANKUŞ, Safiye EMİRDAĞ, Erdal Bedir, Sibel Avunduk, Hüseyin Anıl
Zeitschrift für Naturforschung B, International, WoS, 2004, vol 59, pp 821-824
Summary
Two new triterpene saponins (1 and 2), named bidenosides A and B, were isolated from the roots of Knautia integrifolia var. bidens. The structures were identified as 3-O-α-L-rhamnopyranosyl-28- O-[β -D-allopyranosyl-(1→6)-β -D-glucopyranosyl]-pomolic acid, and 3-O-α-L-rhamnopyranosyl- 28-O-[β -D-allopyranosyl-(1→6)-β -D-glucopyranosyl]-oleanolic acid on the basis of spectroscopic evidence.