Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres
Aeromonas spp. are ubiquitous aquatic bacteria, frequently isolated from seafood. The growth and spoilage potential of an inoculated strain of Aeromonas salmonicida (SU2) in Atlantic cod (Gadus morhua) fillets were assessed as a function of various modified atmospheres (MA) (CO2 (67%) with O2 (33%)...
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ftmdpi:oai:mdpi.com:/2304-8158/11/18/2757/ 2023-08-20T04:05:09+02:00 Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres Sunniva Hoel Jørgen Lerfall Anita Nordeng Jakobsen agris 2022-09-08 application/pdf https://doi.org/10.3390/foods11182757 EN eng Multidisciplinary Digital Publishing Institute Food Microbiology https://dx.doi.org/10.3390/foods11182757 https://creativecommons.org/licenses/by/4.0/ Foods; Volume 11; Issue 18; Pages: 2757 Aeromonas seafood Atlantic cod spoilage modified atmosphere packaging (MAP) vacuum packaging inoculation trimethylamine (TMA) Text 2022 ftmdpi https://doi.org/10.3390/foods11182757 2023-08-01T06:23:41Z Aeromonas spp. are ubiquitous aquatic bacteria, frequently isolated from seafood. The growth and spoilage potential of an inoculated strain of Aeromonas salmonicida (SU2) in Atlantic cod (Gadus morhua) fillets were assessed as a function of various modified atmospheres (MA) (CO2 (67%) with O2 (33%) or N2 (33%), and vacuum packaging (VP)) under refrigerated storage (4 °C) for 13 days. Additionally, the general microbiological quality was assessed by quantifying total aerobic psychrotrophic count (PC), total aerobic plate count (APC), and H2S-producing bacteria. A selection of spoilage metabolites was quantified by nuclear magnetic resonance (NMR) spectroscopy. The MA containing CO2/O2 and CO2/N2 significantly inhibited the growth of the inoculated strain throughout storage (p < 0.001), whereas VP allowed for a 3-log increase of Aeromonas in 13 days. No significant effect of the inoculation with A. salmonicida on spoilage metabolite production was detected. Applying O2 instead of N2 in the CO2-enriched atmosphere resulted in a significantly lower PC for 10 days, and H2S-producing bacteria were inhibited in both MAs compared to vacuum. This study provides data that can be used as a basis to further elucidate the role of bacteria belonging to the genus Aeromonas as potential spoilage organisms in marine fish species. Text atlantic cod Gadus morhua MDPI Open Access Publishing Foods 11 18 2757 |
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MDPI Open Access Publishing |
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ftmdpi |
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English |
topic |
Aeromonas seafood Atlantic cod spoilage modified atmosphere packaging (MAP) vacuum packaging inoculation trimethylamine (TMA) |
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Aeromonas seafood Atlantic cod spoilage modified atmosphere packaging (MAP) vacuum packaging inoculation trimethylamine (TMA) Sunniva Hoel Jørgen Lerfall Anita Nordeng Jakobsen Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres |
topic_facet |
Aeromonas seafood Atlantic cod spoilage modified atmosphere packaging (MAP) vacuum packaging inoculation trimethylamine (TMA) |
description |
Aeromonas spp. are ubiquitous aquatic bacteria, frequently isolated from seafood. The growth and spoilage potential of an inoculated strain of Aeromonas salmonicida (SU2) in Atlantic cod (Gadus morhua) fillets were assessed as a function of various modified atmospheres (MA) (CO2 (67%) with O2 (33%) or N2 (33%), and vacuum packaging (VP)) under refrigerated storage (4 °C) for 13 days. Additionally, the general microbiological quality was assessed by quantifying total aerobic psychrotrophic count (PC), total aerobic plate count (APC), and H2S-producing bacteria. A selection of spoilage metabolites was quantified by nuclear magnetic resonance (NMR) spectroscopy. The MA containing CO2/O2 and CO2/N2 significantly inhibited the growth of the inoculated strain throughout storage (p < 0.001), whereas VP allowed for a 3-log increase of Aeromonas in 13 days. No significant effect of the inoculation with A. salmonicida on spoilage metabolite production was detected. Applying O2 instead of N2 in the CO2-enriched atmosphere resulted in a significantly lower PC for 10 days, and H2S-producing bacteria were inhibited in both MAs compared to vacuum. This study provides data that can be used as a basis to further elucidate the role of bacteria belonging to the genus Aeromonas as potential spoilage organisms in marine fish species. |
format |
Text |
author |
Sunniva Hoel Jørgen Lerfall Anita Nordeng Jakobsen |
author_facet |
Sunniva Hoel Jørgen Lerfall Anita Nordeng Jakobsen |
author_sort |
Sunniva Hoel |
title |
Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres |
title_short |
Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres |
title_full |
Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres |
title_fullStr |
Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres |
title_full_unstemmed |
Growth and Spoilage Potential of an Aeromonas salmonicida Strain in Refrigerated Atlantic Cod (Gadus morhua) Stored under Various Modified Atmospheres |
title_sort |
growth and spoilage potential of an aeromonas salmonicida strain in refrigerated atlantic cod (gadus morhua) stored under various modified atmospheres |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2022 |
url |
https://doi.org/10.3390/foods11182757 |
op_coverage |
agris |
genre |
atlantic cod Gadus morhua |
genre_facet |
atlantic cod Gadus morhua |
op_source |
Foods; Volume 11; Issue 18; Pages: 2757 |
op_relation |
Food Microbiology https://dx.doi.org/10.3390/foods11182757 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/foods11182757 |
container_title |
Foods |
container_volume |
11 |
container_issue |
18 |
container_start_page |
2757 |
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1774715638328066048 |