期刊
FOOD CHEMISTRY
卷 116, 期 4, 页码 933-938出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2009.03.049
关键词
Cazon fish muscle; Postmortem changes; K value; Freshness; Quality
资金
- Universidad de Sonora [P105/DCBS24]
The biochemical. chemical and physical postmortem changes and their relation to the cazon muscle eating quality were studied during an 18 day storage period at 0 degrees C (ice). Content of ATP and breakdown products, K value, pH, trimethylamine (TMA-N), total volatile bases (TVB-N), water-holding capacity (WHC), colour and texture changes were examined. At the beginning of the study, the cazon muscle showed a low concentration of ATP and a high value of IMP. Regarding to the signs of freshness and deterioration, K value presented a linear increase (r(2) = 0.97) with an initial value of 1.05% and a final value of 58.9%. The TBV-N and TMA-N significantly increased (P < 0.05). As for the physical analysis whereas the pH and the WHC changed (P < 0.05); texture was not affected (P < 0.05). The overall results of this study indicated that the edible quality of cazon fish muscle was maintained during at least 18 days of ice storage. (C) 2009 Elsevier Ltd. All rights reserved.
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