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pp.741-750
The acai berry (Euterpe oleracea Mart.) contains vitamin B complex, vitamin C, anthocyanin and so on. Especially acai berry was seen as nutritionally comparable to blueberry and related berries. The acai berry has significant aging-reducing properties. Compounds have been found to have anti-aging and antioxidant components. Acai berry was extracted with 70% methanol, 70% ethanol and CM (chloroform:methanol=2:1, v/v). After sample and reagents of each experiment was reacted, DPPH radical scavenging activity and ABTS radical scavenging activity, ferric reducing antioxidant power, reducing power were measured to determine the antioxidant capacity, and as results of comparing each extract. Ethanol (70%) extraction was measured highest. Anthocyanin, total phenol, flavonoid also appeared similar to the results. In addition, the antioxidant activities of the extraction solvents were increased significantly with increasing concentrations, but showed lower antioxidant activity than the positive control (ascorbic acid). As a result, antioxidant activities of sample supposed to affect by the anthocyanin, phenol and flavonoid contents.
