Mathematical modelling of the stress resistance induced in Listeria monocytogenes during dynamic, mild heat treatments.

Colony Count, Microbial Food Microbiology Hot Temperature Kinetics Listeria monocytogenes / physiology Microbial Viability Models, Theoretical Stress, Physiological Thermotolerance
Acclimation Food safety Listeria monocytogenes Microbial inactivation Modelling

Journal

Food microbiology
ISSN: 1095-9998
Titre abrégé: Food Microbiol
Pays: England
ID NLM: 8601127

Informations de publication

Date de publication:
Dec 2019
Historique:
received: 01 02 2019
revised: 03 06 2019
accepted: 03 06 2019
entrez: 19 8 2019
pubmed: 20 8 2019
medline: 18 12 2019
Statut: ppublish

Résumé

Modelling of stress acclimation induced by thermal inactivation of Listeria monocytogenes under dynamic conditions is analyzed in this work. A mathematical model that separates the effect of the instantaneous temperature from the one of stress acclimation, was used. The model was trained using isothermal inactivation experiments, and one biphasic dynamic treatment with a heating rate of 1 °C/min and a holding phase of 60 °C. These experiments were performed in laboratory media (Tryptic Soy Broth; TSB). The model parameters estimated through these experiments (D

Identifiants

DOI: 10.1016/j.fm.2019.06.002 PMID: 31421752
pubmed: 31421752
pii: S0740-0020(19)30116-9
doi: 10.1016/j.fm.2019.06.002
pii:
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

103238

Informations de copyright

Copyright © 2019 Elsevier Ltd. All rights reserved.

Auteurs

Alberto Garre (A)

Departamento de Ingeniería de Alimentos y del Equipamiento Agrícola, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena (ETSIA), Paseo Alfonso XIII, 48, 30203, Cartagena, Spain.

Gerardo A González-Tejedor (GA)

Departamento de Ingeniería de Alimentos y del Equipamiento Agrícola, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena (ETSIA), Paseo Alfonso XIII, 48, 30203, Cartagena, Spain.

Arantxa Aznar (A)

Departamento de Ingeniería de Alimentos y del Equipamiento Agrícola, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena (ETSIA), Paseo Alfonso XIII, 48, 30203, Cartagena, Spain.

Pablo S Fernández (PS)

Departamento de Ingeniería de Alimentos y del Equipamiento Agrícola, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena (ETSIA), Paseo Alfonso XIII, 48, 30203, Cartagena, Spain.

Jose A Egea (JA)

Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Campus Universitario de Espinardo, E-30100, Murcia, Spain. Electronic address: jaegea@cebas.csic.es.

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Classifications MeSH

questionsmedicales.fr › Techniques d'investigation › Techniques de laboratoire clinique › Techniques microbiologiques › Numération de colonies microbiennes › Mathematical modelling of the stress...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Qualité alimentaire › Sécurité des aliments › Contamination des aliments › Microbiologie alimentaire › Mathematical modelling of the stress...
questionsmedicales.fr › Environnement et santé publique › Environnement › Concepts météorologiques › Atmosphère › Temps (météorologie) › Température › Température élevée › Mathematical modelling of the stress...
questionsmedicales.fr › Phénomènes chimiques › Phénomènes biochimiques › Cinétique › Mathematical modelling of the stress...
questionsmedicales.fr › Bactéries › Bactéries à Gram positif › Bâtonnets à Gram positif › Bâtonnets asporogènes à Gram positif › Bâtonnets asporogènes réguliers à Gram positif › Listeria › Listeria monocytogenes › Mathematical modelling of the stress...
questionsmedicales.fr › Phénomènes microbiologiques › Viabilité microbienne › Mathematical modelling of the stress...
questionsmedicales.fr › Techniques d'investigation › Modèles théoriques › Mathematical modelling of the stress...
questionsmedicales.fr › Phénomènes physiologiques › Stress physiologique › Mathematical modelling of the stress...
questionsmedicales.fr › Phénomènes biologiques › Adaptation biologique › Adaptation physiologique › Acclimatation › Thermotolérance › Mathematical modelling of the stress...