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Identification and Antioxidant Activity of the Extracts of Eugenia uniflora Leaves. Characterization of the Anti-Inflammatory Properties of Aqueous Extract on Diabetes Expression in an Experimental Model of Spontaneous Type 1 Diabetes (NOD Mice).
Schumacher, Nayara Simon Gonzalez; Colomeu, Talita Cristina; de Figueiredo, Daniella; Carvalho, Virginia de Campos; Cazarin, Cinthia Baú Betim; Prado, Marcelo Alexandre; Meletti, Laura Maria Molina; Zollner, Ricardo de Lima.
Afiliación
  • Schumacher NS; Laboratory of Translational Immunology, Faculty of Medical Sciences, University of Campinas, Rua Vital Brazil, 300, Cidade Universitária Zeferino Vaz, 13083-888 Campinas-SP, Brazil. nayaraschumacher@yahoo.com.br.
  • Colomeu TC; Laboratory of Translational Immunology, Faculty of Medical Sciences, University of Campinas, Rua Vital Brazil, 300, Cidade Universitária Zeferino Vaz, 13083-888 Campinas-SP, Brazil. talitacolomeu@yahoo.com.br.
  • de Figueiredo D; Laboratory of Translational Immunology, Faculty of Medical Sciences, University of Campinas, Rua Vital Brazil, 300, Cidade Universitária Zeferino Vaz, 13083-888 Campinas-SP, Brazil.
  • Carvalho Vde C; Laboratory of Translational Immunology, Faculty of Medical Sciences, University of Campinas, Rua Vital Brazil, 300, Cidade Universitária Zeferino Vaz, 13083-888 Campinas-SP, Brazil. vi.carvalho28@hotmail.com.
  • Cazarin CB; Department of Food and Nutrition, School of Food Engineering, University of Campinas (FEA-Unicamp), Rua Monteiro Lobato, 80, Cidade Universitária Zeferino Vaz, 13083-862 Campinas-SP, Brazil. cinthiabetim@gmail.com.
  • Prado MA; Department of Food and Nutrition, School of Food Engineering, University of Campinas (FEA-Unicamp), Rua Monteiro Lobato, 80, Cidade Universitária Zeferino Vaz, 13083-862 Campinas-SP, Brazil. marcelo.prado@reitoria.unicamp.br.
  • Meletti LM; Agronomic Institute of Campinas, Theodureto de Almeida Camargo, 1500, Vila Nova, 13012-970 Campinas-SP, Brazil. lmmm@iac.sp.gov.br.
  • Zollner Rde L; Laboratory of Translational Immunology, Faculty of Medical Sciences, University of Campinas, Rua Vital Brazil, 300, Cidade Universitária Zeferino Vaz, 13083-888 Campinas-SP, Brazil. zollner@unicamp.br.
Antioxidants (Basel) ; 4(4): 662-80, 2015 Oct 09.
Article en En | MEDLINE | ID: mdl-26783951
Medical and folklore reports suggest that Eugenia uniflora (E. uniflora) is a functional food that contains numerous compounds in its composition, with anti-inflammatory, antioxidant and anti-diabetic effects. In the present study, we investigated the best solvents (water, ethanol and methanol/acetone) for extracting bioactive compounds of E. uniflora leaves, assessing total phenols and the antioxidant activity of the extracts by 2,2-Diphenyl-1-picrylhydrazyl (DPPH), Ferric Reducing Antioxidant Power (FRAP), 2,2'-Azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and Oxygen Radical Absorbance Capacity (ORAC) assays, identifying hydrolysable tannins and three phenolic compounds (ellagic acid, gallic acid and rutin) present in the leaves. In addition, we evaluated the incidence of diabetes, degree of insulitis, serum insulin, hepatic glutathione and tolerance test glucose in non-obese diabetic (NOD) mice. Our results suggest that the aqueous extract presents antioxidant activity and high total phenols, which were used as a type 1 diabetes mellitus (DM-1) treatment in NOD mice. We verified that the chronic consumption of aqueous extract reduces the inflammatory infiltrate index in pancreatic islets, maintaining serum insulin levels and hepatic glutathione, and reducing serum lipid peroxidation as well as the risk for diabetes.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Antioxidants (Basel) Año: 2015 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Antioxidants (Basel) Año: 2015 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Suiza