Metabolites generated in foods with lactic fermentation have been subject of research in recent years due to different beneficial effects attributed to them on the microbiota and health in general, including their properties as antihypertensives, antioxidants, anti-inflammatory, immunomodulatory, and antimicrobial, among others. The present review aims to systematically analyze the results of original research that evaluates effects on the microbiota and health in general, mediated by metabolites generated from the lactic fermentation of foods. The review was carried out in the PubMed database, three studies in humans, four in vivo studies in murine models, four in vitro studies, and the rest focused on the quantification of biofunctional qualities in fermented foods were analyzed. The results of the studies compiled in this systematic review reveal the potential of different food matrices and microorganisms to generate metabolites through lactic fermentation with important properties and effects on the intestinal microbiota and other health benefits. Among these benefits is the increase in short chain fatty acids to which anti-inflammatory properties are associated, as well as bioactive peptides with antihypertensive, antithrombotic, antioxidant, anti-inflammatory, and antimicrobial properties.
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