| Abstract
| - Six new triterpenoids,3β,23,24-trihydroxyolean-12-en-28-oic acid (1),3β,6β,24-trihydroxyolean-12-en-28-oic acid (2),3β,6β,19α,24-tetrahydroxyurs-12-en-28-oic acid(3), cincholic acid 3β-O-β-d-fucopyranoside (4), pyrocincholic acid3β,-O-β-d-fucopyranoside (5), andpyrocincholic acid3β-O-α-l-rhamnopyranoside (6)were isolated from the roots of Adina rubella. Theirstructureswere elucidated by spectral analysis. The 13C NMRsignals of 5 and 6 were assigned by2D-NMR experiments.
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