Evaluation de l'effet antagoniste des espèces de Lactobacillus sur Listeria monocytogenes in vitro.
Avaliação do efeito antagônico de espécies de Lactobacillus sobre Listeria monocytogenes in vitro.
Auteurs : POPPI L. B., MANCILHA I. M. de, FERREIRA A. J. P., et al.
Type d'article : Article
Résumé
Listeria monocytogenes, an agent responsible for listeriosis, is of great importance in the food industry because of its ability to proliferate in cooled environments at temperatures normally used for food storage. Listeriosis may appear as uterine infection, meningitis and septicemia. Although listeriosis is of rather low incidence, it has received special attention because the infection affects the central nervous system, having a high mortality rate or leaving serious neurological sequels in surviving victims. With the recent advances concerning the action of probiotic microorganisms against pathogenic species, this work aims at studying the antagonistic effect of L. casei subsp. pseudoplantarum (30b and 30c), L. plantarum (11fb, 22c and 41b), L. reuteri (18fa and 19fa), L. delbrueckii subsp. delbrueckii (17fb) on the development of Listeria monocytogenes in vitro, employing spot test and optical density techniques. The results showed a bacteriostatic effect exerted by the Lactobacillus strains on L. monocytogenes, tested either individually or as a pool of all the eight strains.
Détails
- Titre original : Avaliação do efeito antagônico de espécies de Lactobacillus sobre Listeria monocytogenes in vitro.
- Identifiant de la fiche : 2009-1694
- Langues : Portugais
- Source : Braz. J. Food Technol. - vol. 11 - n. 2
- Date d'édition : 04/2008
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