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Recebido em 10/10/11; aceito em 17/1/12; publicado na web em 15/5/12 A chemical investigation of Eugenia brasiliensis Lam. (Myrtaceae) leaves led to the isolation of a-amyrin and b-amyrin (in a mixture), betulin, 29-hydroxy-oleanolic acid, quercetin, catechin and gallocatechin. Herein, the identification of 29-hydroxy-oleanolic acid is reported for the first time in the Myrtaceae family. Moreover, in this study, the extract, fractions and six of the seven compounds were monitored for toxicitydoi:10.1590/s0100-40422012000600022 fatcat:tch2vpsmyrfnnhw7exzmjjmzsa