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Type: Artigo
Title: Characterization of antioxidant polyphenols from myrciaria jaboticaba peel and their effects on glucose metabolism and antioxidant status: a pilot clinical study
Author: Plaza, Merichel
Batista, Ângela Giovana
Cazarin, Cinthia Baú Betim
Sandahl, Margareta
Turner, Charlotta
Östman, Elin
Maróstica Júnior, Mário Roberto
Abstract: Brazilian berries, such as Myrciaria jaboticaba (jaboticaba), are good sources of polyphenols with a recognized function in oxidative stress attenuation proved in non-clinical studies. In the present study, the polyphenols profile and their contribution to the antioxidant capacity of the jaboticaba peel were analyzed using high-performance liquid chromatography (HPLC) with photodiode array (DAD), electrochemical (ECD), charged aerosol (CAD), and mass spectrometry (MS) detections. Anthocyanins, ellagitannins and gallotannins, ellagic acid and derivatives, and flavonols were found in jaboticaba. Anthocyanins were the phenolics found in higher concentrations. However, ellagitannins were the main contributors to the total antioxidant capacity. Moreover, the effect of jaboticaba peel intake on antioxidant and glucose parameters in a single-blind placebo-controlled crossover study was investigated. The serum antioxidant capacity was significantly higher when the subjects had consumed the test meal containing jaboticaba. Serum insulin decreased subsequent to the second meal at 4 h after jaboticaba peel consumption
Subject: Insulina
Country: Países Baixos
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.foodchem.2016.04.142
Date Issue: 2016
Appears in Collections:FEA - Artigos e Outros Documentos

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