New saponins from the roots of Phytolacca polyandra

Two new triterpenoid saponins were isolated from the roots of Phytolacca polyandra. The structures of these saponins, polyandrasides A [1] and B [2], were established as 3-0-β-D-glucopyranosyl-28-O-glucopyranosyl-esculentagenic acid 30-acetate and 3-0-β-D-glucopyranosyl-28-O-glucopyranosyl-phytolaccagenin, respectively, on the basis of spectroscopic and chemical evidence.