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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Growth control of Listeria innocua 2030c during processing and storage of cold-smoked salmon-trout by Carnobacterium divergens V41 culture and supernatant
Food Control, Volume 16, No. 6 SPEC. ISS., Year 2005
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Description
The objectives of this study were to ascertain the efficacies of Carnobacterium divergens V41 and its supernatant V41 as treatments to control Listeria innocua 2030c during salmon-trout (Oncorhynchus mykiss) cold-smoking processes by treating the raw fish fillets. Fillets were dip-inoculated with 2% (v/v) culture of L. innocua 2030c and/or 2% (v/v) culture of C. divergens V41 culture and 2% or 5% (v/v) of culture supernatant V41. Fillets were dry-salted for 6 h and an average salt content of 5.3% (water phase salt) was obtained. Salted fillets were cold-smoked for 5 h (3 h of drying + 2 h of smoking) and stored at 5 °C for 3 weeks in vacuum packs. The % of salt in the water phase was determined for all fillets. Sensorial analyses were performed in order to compare treated/untreated cold-smoked salmon-trout fillets to ascertain potential spoilage odours due to the treatments. All the treatments with C. divergens V41 or supernatant showed a significant inhibitory effect on L. innocua 2030c growth, but the 5% (v/v) C. divergens supernatant treatment, was by far the most effective against this species. No significant off-odours were found in the products with respect to the tested treatments. © 2004 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Vaz-Velho, Manuela
Portugal, Porto
Universidade Católica Portuguesa
Portugal, Viana do Castelo
Instituto Politécnico de Viana do Castelo
Todorov, S. D.
France, Nantes
Oniris - Ecole Nationale Vétérinaire, Agroalimentaire et de L’alimentation
Bulgaria, Sofia
Sofia University St. Kliment Ohridski
Gibbs, Paul Anthony
Portugal, Porto
Universidade Católica Portuguesa
United Kingdom, Leatherhead
Leatherhead Food Research
Statistics
Citations: 32
Authors: 3
Affiliations: 5
Identifiers
Doi:
10.1016/j.foodcont.2004.05.012
ISSN:
09567135
Research Areas
Environmental