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Listeria monocytogenes : survie et croissance sur les tranches de pommes fraîchement coupées et interaction avec Glomerella cingulata et Penicillium expansum.

Survival and growth of Listeria monocytogenes on fresh-cut apple slices and its interaction with Glomerella cingulata and Penicillium expansum.

Auteurs : CONWAY W. S., LEVERENTZ B., SAFTNER R. A., et al.

Type d'article : Article

Résumé

The food-borne human pathogen L. monocytogenes survived and its populations increased on apple cv. Delicious slices at 10 or 20 °C in air or controlled atmospheres of 0.5% O2 and 15% CO2, but did not grow at 5 °C. The pathogen populations declined over time when grown in various concentrations of apple juice and the decline was greater as the concentration of the juice decreased. Populations of L. monocytogenes inoculated into decayed apple tissue continually increased on fruit decayed by G. cingulata but did not survive after 5 days on fruit decayed by P. expansum. Storage temperature, as well as the absence of postharvest pathogens such as G. cingulata, is important for maintaining the safety of fresh-cut apples.

Détails

  • Titre original : Survival and growth of Listeria monocytogenes on fresh-cut apple slices and its interaction with Glomerella cingulata and Penicillium expansum.
  • Identifiant de la fiche : 2001-1892
  • Langues : Anglais
  • Source : Plant Dis. - vol. 84 - n. 2
  • Date d'édition : 2000

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