Antioxidative Peptides: Trends and Perspectives for Future Research

A.C.      Freitas; J.C.      Andrade; F.M.      Silva; T.A.P.      Rocha-Santos; A.C.      Duarte; A.M.      Gomes

Abstract

In recent years, much attention has been given to dietary antioxidants, especially polyphenols. Several peptides derived from protein molecules have also been found to show antioxidant capacity along with other biological properties and thus there is an increasing interest in these compounds as health promoters. This review summarizes and discusses the main sources of antioxidative peptides with focus on food-derived peptides (animal, plant and marine sources), methods of preparation, antioxidant capacity evaluation as well as their proposed mechanisms of action. A discussion of the potential health effects and comments on the different applications for these antioxidants and their potential research interest are also subject of this review.

Keywords: Antioxidative peptides, food-derived peptides, preparation methods, antioxidant capacity evaluation, mechanism of action, applications, health.

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