yogurt food product https://en.wikipedia.org/wiki/Yogurt FOODON:00001014 yogurt FOBI:0012 A dairy product produced by bacterial fermentation of milk. Yogurt is a food produced by bacterial fermentation of milk. The bacteria used to make yogurt are known as yogurt cultures. The fermentation of lactose by these bacteria produces lactic acid, which acts on milk protein to give yogurt its texture and characteristic tart flavor. milk product (fermented)