α- and β-amyrin (0,012%), β-sitosterol and stigmasterol (0.003%),3,3'-di-O-methylellagic acid (0.093%) were isolated from the bark wood of Protium paniculatum. The presence of 3,3',4-tri-O-methylellagic acid was postulate on the basis of mass spectral analyses.
Burseraceae; Protium; terpenoids; 3,3'-di-0-metileIIagic acid; 3,3'-4-tri-0-methylellagic acid