Protective Effect of a (Poly)phenol-Rich Extract Derived from Sweet Cherries Culls against Oxidative Cell Damage

Ana A. Matias, Rita Rosado-Ramos, Sara L. Nunes, Inês Figueira, Ana Teresa Serra, Maria R. Bronze, Claúdia N. Santos, Catarina M M Duarte

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Oxidative stress is one of the key phenomena behind the most common types of chronic diseases. Therefore, the modulation of oxidative stress is an interesting target for acting either through prevention or as a therapeutic approach. In this work, a Portuguese variety of cherry (Saco Cherry) was processed in order to obtain a potent in vitro antioxidant phenolic-rich extract (Ch-PRE), which was further explored to evaluate its potential application as nutraceutical agent against cellular oxidative stress damage. Ch-PRE was mainly composed of anthocyanins, particularly cyanidin-3-rutinoside, cyanidin-3-glucoside, peonidin-3-glucoside and neochlorogenic acid, and exhibited a potent chemical antioxidant activity expressed by its oxygen radical absorbance capacity (ORAC) and hydroxyl radical averting capacity (HORAC) values. Ch-PRE also displayed effective intracellular radical scavenging properties in intestinal epithelial and neuronal cells challenged with oxidative stress but showed a different order of effectiveness regarding the modulation of endogenous antioxidant system. Ch-PRE could be an attractive candidate to formulate an agent for the prevention of oxidative stress-induced disorders such as intestinal inflammation disorders or with an appropriated delivery system for neurodegenerative diseases.

Original languageEnglish
Article number406
JournalMolecules (Basel, Switzerland)
Volume21
Issue number4
DOIs
Publication statusPublished - 1 Apr 2016

Keywords

  • Antioxidant
  • Intestinal epithelium
  • Neurodegeneration
  • Oxidative stress
  • Polyphenols
  • Saco cherry

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