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Croissance des micro-organismes responsables de l'altération des légumes sous atmosphère modifiée riche en oxygène : qualité lors de l'entreposage.

Growth of spoilage microorganisms on vegetables in a high oxygen modified atmosphere system in relation with keeping quality private.

Auteurs : AMANATIDOU A., BENNIK M. H. J., TIJSKENS L. M. M., GORRIS L. G. M.

Type d'extrait : Chapitre d'ouvrage

Résumé

The study sets out to determine whether a novel type of modified atmosphere packaging (MAP), referred to as high O2-MAP, might allow a good control of pathogenic microorganisms. Sliced minimally processed carrots were stored under high O2-high CO2 and changes of the total plate counts, pseudomonads, lactic acid bacteria were recorded after incubation at 8 deg C at high O2 (50 or 90%), combined with CO2 (10 to 30%). Exposure to the novel MAP did not affect growth of Enterobacteriaceae but caused changes in the subpopulation of lactic acid bacteria and pseudomonads. The effect of high oxygen MAP on Leuconostoc mesenteroides was tested on a surface model system. Total suppression of microbial growth was not obtained at the conditions studied. The impact of the gas compositions on microbial growth was studied. Improvement of several quality aspect (texture, water loss, colour) under high oxygen-MAP are discussed.

Détails

  • Titre original : Growth of spoilage microorganisms on vegetables in a high oxygen modified atmosphere system in relation with keeping quality private.
  • Identifiant de la fiche : 1999-0986
  • Langues : Anglais
  • Source : Shelf life prediction for improved safety and quality of foods.
  • Date d'édition : 1998
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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