The methanolic product of assai(Euterpe oleracea Mart) scavenged the intracellular reactive oxygen species (ROS) and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical, and prevented lipid peroxidation. The radical-scavenging activity of assai palm methanolic extract protected the viability of peritoneal macrophage cells exposed to hydrogen peroxide(H2O2). Furthermore, the extract reduced the apoptotic-cell formation induced by H2O2, as demonstrated by the decrease in the number of hypodiploid cells

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... nd in the apoptotic-cell body formation. These results indicate that assai palm methanolic extract has radical-scavenging activity and ameliorates H2O2-induced cytotoxicity.