The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region
There is a growing interest in exploiting Antarctic fisheries for human consumption. However, information on how the nutritional qualities of these resources will respond to the predicted seawater warming in the region for the next century is poor. The present research investigates changes in variou...
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Online Access: | https://hdl.handle.net/11250/2787409 https://doi.org/10.1016/j.foodchem.2021.130500 |
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ftimr:oai:imr.brage.unit.no:11250/2787409 2023-05-15T13:44:00+02:00 The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region Araujo, Pedro Truzzi, Cristina Belghit, Ikram Antonucci, Matteo 2021 application/pdf https://hdl.handle.net/11250/2787409 https://doi.org/10.1016/j.foodchem.2021.130500 eng eng Food Chemistry. 2021, 365 . urn:issn:0308-8146 https://hdl.handle.net/11250/2787409 https://doi.org/10.1016/j.foodchem.2021.130500 cristin:1940745 7 365 Food Chemistry Peer reviewed Journal article 2021 ftimr https://doi.org/10.1016/j.foodchem.2021.130500 2021-10-06T22:36:45Z There is a growing interest in exploiting Antarctic fisheries for human consumption. However, information on how the nutritional qualities of these resources will respond to the predicted seawater warming in the region for the next century is poor. The present research investigates changes in various nutritional indices of dietary importance (e.g. the ratio polyunsaturated to saturated fatty acids, the atherogenicity index, the thrombogenicity index, the hypo-cholesterolemic to hyper-cholesterolemic index, the health-promoting index, the flesh lipid quality and the ratio omega-3 to omega-6 index) by determining the fatty acid composition in muscle of Trematomus bernacchii (an Antarctic fish species) in its natural habitat (-1.87 °C) and warmer temperatures (0.0, 1.0, 2.0 °C). Comparison of the estimated nutritional indices at −1.87 °C with those at warmer temperatures revealed that seawater warming caused changes in the nutritional indices in the range of −12%<Δ < 30%. The observed changes were not statistically significant and ascribed to biological variability. Therefore, the nutritional values of T. bernacchii muscle were preserved after increasing the temperature of its natural habitat by + 4 °C. The present research is the first report describing the nutritional quality indices for an Antarctic fish species and the consequences of seawater warming on the nutritional value of T. bernacchii. publishedVersion Article in Journal/Newspaper Antarc* Antarctic Institute for Marine Research: Brage IMR Antarctic The Antarctic Food Chemistry 365 130500 |
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Institute for Marine Research: Brage IMR |
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language |
English |
description |
There is a growing interest in exploiting Antarctic fisheries for human consumption. However, information on how the nutritional qualities of these resources will respond to the predicted seawater warming in the region for the next century is poor. The present research investigates changes in various nutritional indices of dietary importance (e.g. the ratio polyunsaturated to saturated fatty acids, the atherogenicity index, the thrombogenicity index, the hypo-cholesterolemic to hyper-cholesterolemic index, the health-promoting index, the flesh lipid quality and the ratio omega-3 to omega-6 index) by determining the fatty acid composition in muscle of Trematomus bernacchii (an Antarctic fish species) in its natural habitat (-1.87 °C) and warmer temperatures (0.0, 1.0, 2.0 °C). Comparison of the estimated nutritional indices at −1.87 °C with those at warmer temperatures revealed that seawater warming caused changes in the nutritional indices in the range of −12%<Δ < 30%. The observed changes were not statistically significant and ascribed to biological variability. Therefore, the nutritional values of T. bernacchii muscle were preserved after increasing the temperature of its natural habitat by + 4 °C. The present research is the first report describing the nutritional quality indices for an Antarctic fish species and the consequences of seawater warming on the nutritional value of T. bernacchii. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Araujo, Pedro Truzzi, Cristina Belghit, Ikram Antonucci, Matteo |
spellingShingle |
Araujo, Pedro Truzzi, Cristina Belghit, Ikram Antonucci, Matteo The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region |
author_facet |
Araujo, Pedro Truzzi, Cristina Belghit, Ikram Antonucci, Matteo |
author_sort |
Araujo, Pedro |
title |
The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region |
title_short |
The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region |
title_full |
The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region |
title_fullStr |
The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region |
title_full_unstemmed |
The impact of seawater warming on fatty acid composition and nutritional quality indices of Trematomus bernacchii from the Antarctic region |
title_sort |
impact of seawater warming on fatty acid composition and nutritional quality indices of trematomus bernacchii from the antarctic region |
publishDate |
2021 |
url |
https://hdl.handle.net/11250/2787409 https://doi.org/10.1016/j.foodchem.2021.130500 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
7 365 Food Chemistry |
op_relation |
Food Chemistry. 2021, 365 . urn:issn:0308-8146 https://hdl.handle.net/11250/2787409 https://doi.org/10.1016/j.foodchem.2021.130500 cristin:1940745 |
op_doi |
https://doi.org/10.1016/j.foodchem.2021.130500 |
container_title |
Food Chemistry |
container_volume |
365 |
container_start_page |
130500 |
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1766195864578031616 |