Characterization of antioxidant polyphenols from Myrciaria jaboticaba peel and their effects on glucose metabolism and antioxidant status: A pilot clinical study

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

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.

Detaljer

Författare
Enheter & grupper
Externa organisationer
  • University of Campinas
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Livsmedelsvetenskap

Nyckelord

Originalspråkengelska
Sidor (från-till)185-197
Antal sidor13
TidskriftFood Chemistry
Volym211
StatusPublished - 2016 nov 15
PublikationskategoriForskning
Peer review utfördJa

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