Mof. Goulart et al., CHEMISTRY OF BRAZILIAN ICACINACEAE .1. ICACINIC ACID, A TRITERPENOID FROM PORAQUEIBA-GUIANENSIS, Phytochemistry, 37(4), 1994, pp. 1139-1142
A triterpene isolated from the trunkwood of Poraqueiba guianensis has
been characterized as 2 alpha,3 alpha,19 alpha,23,24-pentahydroxy-olea
n-12-en-28-oic acid.