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Antioxidant capacity of anthocyanins from acerola genotypes 116
Lima,Vera Lúcia Arroxelas Galvão De; Melo,Enayde Almeida; Pinheiro,Irapuan Oliveira; Guerra,Nonete Barbosa.
Anthocyanins from 12 acerola genotypes cultivated at the Active Germplasm Bank at Federal Rural University of Pernambuco were isolated for antioxidant potential evaluation. The antioxidant activity and radical scavenging capacity of the anthocyanin isolates were measured according to the β-carotene bleaching method and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging assay, respectively. The antioxidant activity varied from 25.58 to 47.04% at 0.2 mg.mL-1, and it was measured using the β-carotene bleaching method. The free radical scavenging capacity increased according to the increase in concentration and reaction time by the DPPH assay. At 16.7 μg.mL-1 concentration and after 5 minutes and 2 hours reaction time, the percentage of scavenged...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anthocyanins; Acerola (Malpighia emarginata D.C.); Genotypes; Β-carotene/linoleic acid model system; DPPH free radical scavenging.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612011000100011
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