Potential of selected bacteriocinogenic lactic acid bacteria to control Listeria monocytogenes in nitrite-reduced fermented sausages

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dc.contributor.authorCaballero, Natalia
dc.contributor.authorJiménez, Begoña
dc.contributor.authorHaza Duaso, Ana Isabel
dc.contributor.authorHierro Paredes, Eva
dc.contributor.authorFernández Hospital, Xavier
dc.contributor.authorFernández Álvarez, Manuela
dc.contributor.authorSánchez Martín, Vanesa
dc.contributor.authorMorales Gómez, Paloma
dc.date.accessioned2024-01-12T09:00:13Z
dc.date.available2024-01-12T09:00:13Z
dc.date.issued2023-08
dc.descriptionCRediT authorship contribution statement Manuela Fernández: Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing. Xavier F. Hospital: Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology. Natalia Caballero: Investigation. Begoña Jiménez: Investigation. Vanesa Sánchez-Martín: Investigation. Paloma Morales: Formal analysis, Funding acquisition. Ana I. Haza: Formal analysis, Funding acquisition. Eva Hierro: Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing.
dc.description.abstractThe antilisterial activity of four strains of bacteriocinogenic lactic acid bacteria has been tested in vitro and in a meat model, as an alternative to reduce nitrite added to fermented sausages. Cell-free supernatants were obtained after bacterial growth under monoculture and coculture conditions, both at 32 °C/16 h and 22 °C/72 h. After being adjusted to different pH, supernatants were assayed for inhibition of Listeria monocytogenes inoculated on tryptone soya broth added with 0.8% bacteriological agar. The highest inhibition was observed for Pediococcus acidilactici MP14 and the commercial starter P. acidilactici B-LC-20, especially when they were grown in coculture with Staphylococcus spp. meat starters. Lactococcus lactis MP11 showed lower antilisterial activity, and it was dependant on pH. In a fermented sausage model prepared without and with 50% of the maximum level of sodium nitrite allowed by the European Union (i.e. 75 mg/kg) both pediococci confirmed the activity observed in vitro, and reduced Listeria numbers by 1.3–1.4 log cfu/g in the absence of nitrite and 0.8 log cfu/g in its presence. Therefore P. acidilactici MP14, which had been isolated from an artisanal fermented sausage, has shown potential interest for biopreservation applications that must be confirmed in studies under real sausage manufacture conditions.
dc.description.departmentSección Deptal. de Farmacia Galénica y Tecnología Alimentaria (Veterinaria)
dc.description.facultyFac. de Veterinaria
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Ciencia e Innovación (RTI 2018-097549-B- I00)
dc.description.sponsorshipEuropean Social Fund
dc.description.statuspub
dc.identifier.doi10.1016/j.foodcont.2023.109724
dc.identifier.issn0956-7135
dc.identifier.officialurlhttps://www.sciencedirect.com/science/article/pii/S095671352300124X
dc.identifier.urihttps://hdl.handle.net/20.500.14352/92668
dc.journal.titleFood Control
dc.language.isoeng
dc.page.initial109724
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject.cdu636.09
dc.subject.keywordProtective culture
dc.subject.keywordCured meat
dc.subject.keywordBacteriocin
dc.subject.keywordAntimicrobial
dc.subject.keywordPreservative
dc.subject.ucmVeterinaria
dc.subject.unesco3309 Tecnología de Los Alimentos
dc.titlePotential of selected bacteriocinogenic lactic acid bacteria to control Listeria monocytogenes in nitrite-reduced fermented sausages
dc.typejournal article
dc.type.hasVersionAM
dc.volume.number150
dspace.entity.typePublication
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