Nutrition Discussion Forum
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چکیده
Food proteins supply organisms not only with the energy needed for survival, but also with bioactive compounds, including food-borne peptides, which are beneficial to health. The beneficial effects of food-borne peptides have led to their proposal as potential nutraceuticals for food and pharmaceutical applications. Peptides with antimicrobial and immunostimulatory activities are among the possible nutraceuticals, although the mechanisms of their action and the link between the two activities (if it exists) are not well understood. A possible mechanism for the antimicrobial action of food-borne peptides is stimulation of the microbial autolytic system, as determined by in vitro studies. I propose a hypothesis that at least some food-borne peptides activate the autolytic processes of the intestinal microflora in situ and thus cause the release of microbial lysis products; these lysis products are well-known immunoenhancers and may account for the immunostimulatory effects of consumption of food proteins.
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