Antioxidant capacity, total phenolic content, fatty acids and correlation by principal component analysis of exotic and native fruits from Brazil

Alessandra B. Ribeiro, Elton G. Bonafé, Beatriz C. Silva, Paula F. Montanher*, Oscar O. Santos Júnior, Joana S. Boeing, Jesuí V. Visentainer

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

22 Citações (Scopus)

Resumo

The antioxidant capacities of seven exotic and native fruits from Brazil were evaluated using DPPH•, ABTS•+ and FRAP assays, in addition to their total phenolic content and fatty acid composition. Murici and dovialis presented the highest total phenolic contents (243.42 and 205.98 mg GAE 100 g-1, respectively), and the highest antioxidant capacities by the FRAP assay (24.97 and 23.70 μmol Fe2+ g -1, respectively). In the DPPH• and ABTS •+ assays, dovialis presented the highest antioxidant capacity, 9.59 and 10.41 TE g-1, respectively. The highest alpha linolenic and linoleic acid contents were found in siriguela (107.86 mg FA g-1 TL) and tomatinho do mato (215.50 mg FA g-1 TL), respectively. The principal component analysis (PCA) of fatty acids yielded three significant PCs, which accounted for 99.75% of the data set total variance. The PCA data of the antioxidant analyses yielded two significant PCs, which accounted for 97.00% of the total variance.
Idioma originalEnglish
Páginas (de-até)797-804
Número de páginas8
RevistaJournal of the Brazilian Chemical Society
Volume24
Número de emissão5
DOIs
Estado da publicaçãoPublicado - 2013
Publicado externamenteSim

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