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Effet de l'ozone sur l'inactivation de Yersinia enterocolitica et la réduction de la flore naturelle sur des pommes de terre.

Effect of ozone on the inactivation of Yersinia enterocolitica and the reduction of natural flora on potatoes.

Auteurs : SELMA M. V., BELTRÁN D., CHACÓN-VERA E., et al.

Type d'article : Article

Résumé

Yersinia enterocolitica causes foodborne diseases. Vegetables can be contamined with Y. enterocolitica when in contact with soil, irrigation water, fertilizers, equipment, humans and animals. Sanitizers are used to reduce such contamination. In this study, the efficacy of ozone used to reduce flora on whole potatoes was investigated. Counts of total aerobic mesophilic and psychrotrophic bacteria, coliforms and Listeria monocytogenes were performed. Kinetic models were used to predict inactivation of Y. enterocolitica by ozone. The study demonstrated that ozone decreased the Y. enterocolitica population in water and that ozonated water decreased both Y. enterocolitica and L. monocytogenes on potato surfaces.

Détails

  • Titre original : Effect of ozone on the inactivation of Yersinia enterocolitica and the reduction of natural flora on potatoes.
  • Identifiant de la fiche : 2007-0715
  • Langues : Anglais
  • Source : Journal of Food Protection - vol. 69 - n. 10
  • Date d'édition : 10/2006

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