01155naa a2200169 a 450000100080000000500110000800800410001910000160006024500750007626000090015152006810016065000240084170000180086570000210088370000200090477300610092412803842025-10-15       1995    bl uuuu     u00u1 u    #d1 aGOSMANN, G.  aTriterpenoid saponins from Ilex paraguariensis.h[electronic resource]  c1995  aThe leaves of Ilex paraguariensis have yielded three new saponins named matesaponins 2, 3, and 4 [1-3], which have been characterized by chemical and nmr methods as ursolic acid 3-O-[beta-D-glucopyranosyl-(1--&gt3)-[alpha-L-rhamnopyranosyl- (1--&gt2)]]-alpha-L-arabinopyranosyl]-(28--&gt1)-beta-D-glucopyranosyl ester, ursolic acid 3-O-[beta-D-glucopyranosyl-(1--&gt3)-alpha-L-arabinopyranosyl]-(28-- &gt1)- [beta-D-glucopyranosyl-(1--&gt6)-beta-D-glucopyranosyl]ester, and ursolic acid 3-O-[beta-D-glucopyranosyl-(1--&gt3)-[alpha-L- rhamnopyranosyl-(1--&gt2)]]-alpha-L-arabinopyranosyl]-(28--&gt1)-[beta -D- glucopyranosyl-(1--&gt6)-beta-D-glucopyranosyl]ester, respectively.  aIlex Paraguariensis1 aGUILLAUME, D.1 aTAKETA, A. T. C.1 aSCHENKEL, E. P.  tJournal of Natural Productsgv.58, n.3, p.438-441, 1995.