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ASMscience_WoodenTools_ReservoirsO.pdf (2.73 Mo)
Article accessible en ligne
Cote : En ligne
Langues : anglais
Fiche n° : 7640
Article de périodique
Lortal, Sylvie; Licitra, Giuseppe; Valence, Florence
Wooden Tools: Reservoirs of Microbial Biodiversity in Traditional Cheesemaking
American Society for microbiology press, 2014

Périodique : Microbiology Spectrum , Feb, 2, 1

Résumé : Today, wooden shelves are used for the ripening of about 500,000 tons of cheese per year in Europe, including about 350,000 tons in France, such as most of the famous cheeses with the protected designation of origin (PDO), e.g., Comté, Reblochon, Beaufort, Munster, Cantal, and Roquefort. For some PDO cheeses, the use of wooden tools is mandatory. Many cheesemakers believe that wooden tools improve the organoleptic and typical characteristics of their final products. Wood is a natural and sustainable material which has been used for centuries in traditional cheese production in a wide variety of forms (vats, shelves, and packaging). Wood is important in the cheesemaking process, interacting with the milk in vats or with the cheeses placed on shelves for ripening. Wood is viable due to its ability to exchange water but, above all, because it is covered by a rich microbial biofilm. As wood is porous and difficult to clean, the European Commission regularly highlights the question of its safety when in contact with food and calls for deeper scientific investigation. In this review, knowledge about the multiple technological roles of wood in dairy technology is discussed. The crucial role of wood as a reservoir of microbial biodiversity for traditional cheeses is reviewed, along with results of safety assessments. As a conclusion, the numerous questions remaining about this natural inoculating system are discussed. (D'après les auteurs)