Journal
FOOD CONTROL
Volume 72, Issue -, Pages 90-96Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2016.07.037
Keywords
Colour; Differential scanning calorimetry; Texture; Water holding capacity; Cod; Mackerel; Salmon
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Funding
- Stiftelsen Norconserv
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High pressure (HP) treatments inhibit spoilage and thereby increase the shelf life of fresh fish. However, studies comparing the effect on the biochemical changes in different fish species are lacking. The current study investigated the effect of HP treatments at 200 and 500 MPa for 120 sec. (8-days on texture, liquid loss, water holding capacity and protein denaturation in cod, mackerel and salmon. At 500 MPa hardness increased,and the fish became lighter and less red in all species. Severe protein denaturation was induced by HP treatment in all species. It was concluded that the effect on the measured quality parameters were not much affected by fish species, which suggests that HP induced changes in structural proteins and thereby affects only parameters like texture, lightness and water holding capacity, and do not depend on amounts of fat or the muscle composition. (C) 2016 Elsevier Ltd. All rights reserved.
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