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Produits alimentaires : variations de température et prévision de la détérioration pendant les livraisons en ville.

Temperature variability and prediction of food spoilage during urban delivery of food products.

Auteurs : ESTRADA-FLORES S., TANNER D.

Résumé

Urban refrigerated transport used for home deliveries is characterized by the use of small vans with frequent, through short-lived, temperature variations. This paper investigates the temperature variability in the chiller compartment of a multi-temperature van. Integration of the measured temperature histories with mathematical models to predict growth of pseudomonads and Escherichia coli, showed that products presented adequate growth temperatures for pseudomonads, but less than half the temperatures measured were suitable for E. coli growth. The thermal behaviour of the food products inside the van was strongly influenced by the loading period. Three theoretical scenarios were additionally tested.

Détails

  • Titre original : Temperature variability and prediction of food spoilage during urban delivery of food products.
  • Identifiant de la fiche : 2006-2070
  • Langues : Anglais
  • Source : Proceedings of the Third International Symposium on applications of modelling as an innovative technology in the agri-food chain. Model-IT 2005.
  • Date d'édition : 02/05/2005

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