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Note. Occurrence of Listeria spp. in salmon-trout (Onchorhyncus mykiss) and salmon (Salmo salar)

1998Journal article Open access
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dc.contributor.authorVaz-Velho, M.
dc.contributor.authorDuarte, G.
dc.contributor.authorGibbs, P.
dc.date.accessioned2011-10-14T15:39:30Z
dc.date.available2011-10-14T15:39:30Z
dc.date.issued1998
dc.description.abstractSalmon-trout (Onchorhyncus mykiss) and salmon (Salmo salar) are the main raw materiaIs in the cold-smoked fish industry. It is important to prevent the contamination of these ready-to-eat products with Listeria monocytogenes and other (Listeria spp.) because the temperature used in the cold-smoking process is not sufficient to inactivate these organisms. The presence of Listeria spp. and L. monocytogenes in the cold-smoked salmon and salmon-trout processing chains of three Portuguese factories examined was already confirmed in previous studies. Thus, it was important to ascertain the possible sources of contamination, the raw material being the most important one. AlI the Portuguese cold-smoking fish factories use fresh salmon-trout from two trout farms in the north of Portugal and Norwegian salmon which arrives by lorry every week under refrigeration, imported always by the same company; 88 samples of salmon and salmon-trout were analysed; 67 environrnental samples from the two trout farms were also examined. The overalI frequency (n =40) of Listeria spp. and L. monocytogenes in salmon was 12 and 0% respectively. The overalI frequency (n =48) of Listeria spp. and L. monocytogenes in salmon-trout was 6.3 and 2.1% respectively. Listeria was not found in the environmental samples.por
dc.identifier.citationVAZ-VELHO, M.; DUARTE, G.; GIBBS, P. - Note. Occurrence of Listeria spp. in salmon-trout (Onchorhyncus mykiss) and salmon (Salmo salar) / Nota. Presencia de Listeria spp. en trucha asalmonada (Onchorhyncus mykiss) y salmón (Salmo salar). Food Science and Technology International. ISSN 1532-1738. Vol. 4 n.º 2 (1998), p. 121-125por
dc.identifier.urihttp://hdl.handle.net/10400.14/6106
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSagepor
dc.relation.publisherversionhttp://fst.sagepub.com/content/4/2/121.abstractpor
dc.subjectListeriapor
dc.subjectListeria monocytogenespor
dc.subjectTroutpor
dc.subjectOnchorhyncus mykisspor
dc.subjectSalmonpor
dc.subjectSalmo salarpor
dc.titleNote. Occurrence of Listeria spp. in salmon-trout (Onchorhyncus mykiss) and salmon (Salmo salar)por
dc.title.alternativeNota. Presencia de Listeria spp. en trucha asalmonada (Onchorhyncus mykiss) y salmón (Salmo salar)por
dc.typejournal article
dspace.entity.typePublication
person.familyNameVaz Velho
person.familyNameGibbs
person.givenNameManuela
person.givenNamePaul
person.identifier.ciencia-idC719-383D-5548
person.identifier.orcid0000-0003-4825-2058
person.identifier.orcid0000-0002-6580-4363
person.identifier.ridK-3058-2014
person.identifier.scopus-author-id55999738500
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationceca7b30-6960-4ad2-bb0c-675fcca89f86
relation.isAuthorOfPublication218d85c8-40f4-42c0-9a47-4e8ad9f72a96
relation.isAuthorOfPublication.latestForDiscovery218d85c8-40f4-42c0-9a47-4e8ad9f72a96

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