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dc.contributor.author
Tomat, David Damian
dc.contributor.author
Balague, Claudia Elisabeht
dc.contributor.author
Casabonne, Cecilia
dc.contributor.author
Verdini, Roxana Andrea
dc.contributor.author
Quiberoni, Andrea del Lujan
dc.date.available
2018-06-27T18:00:22Z
dc.date.issued
2016-04
dc.identifier.citation
Tomat, David Damian; Balague, Claudia Elisabeht; Casabonne, Cecilia; Verdini, Roxana Andrea; Quiberoni, Andrea del Lujan; Resistance of foodborne pathogen coliphages to additives applied in food manufacture; Elsevier Science; LWT - Food Science and Technology; 67; 4-2016; 50-54
dc.identifier.issn
0023-6438
dc.identifier.uri
http://hdl.handle.net/11336/50283
dc.description.abstract
In order to evaluate whether coliphages can be used in combination with food additives, six lytic phages against pathogenic Escherichia coli strains were tested for their resistance to additives commonly used in the dairy and meat industries. All the phages evaluated were completely inactivated after a 1-min incubation at 25 °C when exposed to acetic and lactic acids at 4% v/v without pH adjustment, whereas phage viability remained unchanged when pH was adjusted to 5.0 (acetic) and 4.5 (lactic). Likewise, the six phages proved to be highly resistant to both acetate and lactate (4%; sodium salts) after a 24-h incubation. When phage viability was evaluated at 25 °C in Tris-Magnesium-Gelatin buffer supplemented with nitrite (0.015% w/v), phage titers were never below 7-8 log10 PFU ml-1 for all the phages tested. Regarding the influence of additives added to dairy products on phage viability, each phage (107-8 PFU ml-1) challenged with nisin (0.25 mg ml-1) remained viable after a 24 h-incubation. In addition, phage viability was either slightly affected or not affected at all when phages were exposed to chymosin. These results proved that phages can be used against pathogenic E. coli strains along with other additives as an additional hurdle in order to improve food safety.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
BACTERIOPHAGE
dc.subject
ESCHERICHIA COLI
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FOOD ADDITIVE
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PHAGE VIABILITY
dc.subject.classification
Alimentos y Bebidas
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Otras Ingenierías y Tecnologías
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INGENIERÍAS Y TECNOLOGÍAS
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Otras Ciencias Químicas
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Ciencias Químicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Resistance of foodborne pathogen coliphages to additives applied in food manufacture
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-26T22:23:27Z
dc.journal.volume
67
dc.journal.pagination
50-54
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Tomat, David Damian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas; Argentina
dc.description.fil
Fil: Balague, Claudia Elisabeht. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas; Argentina
dc.description.fil
Fil: Casabonne, Cecilia. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas; Argentina
dc.description.fil
Fil: Verdini, Roxana Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Química Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Química Rosario; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas; Argentina
dc.description.fil
Fil: Quiberoni, Andrea del Lujan. Universidad Nacional del Litoral. Facultad de Ingeniería Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
LWT - Food Science and Technology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.lwt.2015.11.031
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0023643815303236?via%3Dihub
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