Extracts of Peels and Seeds of Five Varieties of Brazilian Jabuticaba Present High Capacity to Deactivate Reactive Species of Oxygen and Nitrogen
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Jabuticaba has a high concentration of phenolic compounds, which have a significant antioxidant capacity. Methodologies have been developed to evaluate the ability of plant extracts to fight free radicals such as H2O2, O2•ˉ, HOCl, ONOOˉ and ROO•. Thus, the capacity of deactivation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in peel and seed extracts of five varieties of jabuticaba was evaluated. Sabará peel (SFP) deactivated HOCl with IC50 9.24 μg. mL−1; Paulista seed (PF) deactivated O2•ˉ with IC50 16.15 μg. mL−1; Coroada seed (CFP) deactivated ONOOˉ with IC50 3.84 μg. mL−1; the peel of CFP deactivated ONOOˉ with IC50 5.88 μg. mL−1; the peel of SFP deactivated the ROO• at 918.16 μmol TE. g−1; and Sabará seed deactivated H2O2 with 49.11% inhibition at a concentration of 125 μg. mL−1 of extract. These results demonstrate the high antioxidant potential of this fruit, indicating that it could be extremely beneficial to human health.
KeywordsMyrciaria coronata Mattos • Plinia ssp. • reactive oxygen species • reactive nitrogen species
The authors are thankful to CNPq - Coordenação Nacional de Desenvolvimento Científico e Tecnológico (process no. 145652/2014-9) for its financial support for this study and to CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES Foundation, Brazil) for the financial assistance provided to the research laboratory.
Compliance with Ethical Standards
Conflict of Interest
All the authors of this manuscript declare that there is no conflict of interest and that this article does not contain any studies with human or animal subjects.
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