Two novel triterpenoid glycosides, anemoclemosides A and B, were isola
ted from the roots of Anemoclema glaucifolium, along with four known c
ompounds. The structures of anemoclemosides A and B were established m
ainly by NMR techniques. The two glycosides have the straight chain fo
rm of arabinose attached in acetal form to the aglycone. This is the f
irst example of such glycosides from natural sources.