has component process has input glucose metabolism during food fermentation milk coagulation parmigiano reggiano fermentation https://orcid.org/0000-0001-9446-7979 https://github.com/FrancescoVit https://orcid.org/0000-0002-7114-7726 https://www.parmigianoreggiano.com/product-art-of-making/ the set of reactions leading to the conversion of carbohydrates into organic acids by the enzymatic activity of starter microbes in the production of Parmigiano Reggiano. It can also be extended to the proteolitic and lipolytic reactions characterizing maturation and ripening steps. fermentation ons parmigiano reggiano curd cooking parmigiano reggiano shaping and salting starting milk mixture