Biological activity and mechanisms of peptides derived from oat proteins

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The ability of the human body to maintain a redox balance is compromised in the presence of excess oxidant molecules. This can occur when oxidized foods is consumed, during infection or exposure to transition metals all of which, increased the production of reactive oxygen species (i.e. free radicals). This redox imbalance is involved in the etiology of several chronic diseases including cancer, cardiovascular diseases and macular degeneration. Compounds that have antioxidant activities can prevent oxidative deterioration of foods and also reduce the risk factors associated with the above chronic ailments. Although, the consumption of cereals is correlated with a decreased incidence of some of age-related diseases, the nature of food ingredients responsible for the observed effects and their mechanisms of action are not well defined.