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Artículo

Influence of Listeria monocytogenes and environmental abiotic factors on growth parameters and aflatoxin B1 production by Aspergillus flavus

Asurmendi, PaulaIcon ; Barberis, Carla LorenaIcon ; Pascual, Liliana Myriam; Dalcero, Ana MariaIcon ; Barberis, Isabel Lucila
Fecha de publicación: 11/2014
Editorial: Elsevier
Revista: Journal of Stored Products Research
ISSN: 0022-474X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Aspergillus flavus growth is influenced by a variety of abiotic factors including water activity (aW), pH, redox potential, relative humidity, temperature and availability of oxygen. Furthermore, biotic factors such as the presence in the same habitat of different microorganisms can develop ecological interactions between them that are positive, negative or indifferent for fungal growth. The aim of the present work was evaluate the effect of Listeria monocytogenes in interaction with aW, pH and temperature on the lag phase, growth rate and AFB1 production of A. flavus. Ecophysiological in vitro studies of A. flavus demonstrate that the co-occurrence with L. monocytogenes in culture medium and abiotic factors (aW, pH and temperature) influence the growth of the fungal strains and the production of AFB1. The presence of L. monocytogenes generally decreased fungal growth and increased significantly aflatoxin production. These studies are essential in the prediction of contamination risk of food with these microorganisms or their toxins in interaction with several environmental parameters.
Palabras clave: Aspergillus Flavus Growth , Growth Parameters , Listeria Monocytogenes , Abiotic Factors
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/34410
DOI: http://dx.doi.org/10.1016/j.jspr.2014.09.008
URL: https://www.sciencedirect.com/science/article/pii/S0022474X14000952
Colecciones
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Citación
Asurmendi, Paula; Barberis, Carla Lorena; Pascual, Liliana Myriam; Dalcero, Ana Maria; Barberis, Isabel Lucila; Influence of Listeria monocytogenes and environmental abiotic factors on growth parameters and aflatoxin B1 production by Aspergillus flavus; Elsevier; Journal of Stored Products Research; 60; 11-2014; 60-66
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