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Document IIF

Modélisation de la dynamique des échanges de gaz dans des emballages à atmosphère modifiée contenant des produits frais.

Model for gas exchange dynamics in modified-atmosphere packages containing fresh produce.

Auteurs : LIU Y., WANG R., LI Y., et al.

Résumé

A model for gas exchange dynamics of modified-atmosphere packaging (MAP) systems containing fresh produce was developed. The computer simulation was performed to predict the gas compositions inside the packages and was successfully verified by experiments with yellow peaches at 5, 15 and 25 °C using two types of packaging films. A Michaelis-Menten type respiration model with noncompetitive inhibition mechanism due to CO2 was adopted while the respiration rates were measured with an improved permeable system method suitable for either steady or unsteady state. The applicability of the model in the design of MAP systems was demonstrated with a calculation to evaluate film specification and equilibrium concentrations of O2 and CO2 in the packages containing yellow peaches.

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Détails

  • Titre original : Model for gas exchange dynamics in modified-atmosphere packages containing fresh produce.
  • Identifiant de la fiche : 2005-0236
  • Langues : Anglais
  • Source : 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
  • Date d'édition : 17/08/2003

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