期刊
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
卷 55, 期 6, 页码 2462-2471出版社
WILEY
DOI: 10.1111/ijfs.14497
关键词
Bleeding; blood; fish; haem; haemoglobin; lipid oxidation; perfusion; rancidity
资金
- Formas [222-2010-1780]
- Swedish Board of Agriculture/European fisheries fund (EFF) [2012-708]
- Swedish Research Council [2015-05286]
- Swedish Research Council [2015-05286] Funding Source: Swedish Research Council
Whole body saline-perfused rainbow trout (Oncorhynchus mykiss) was ice-stored for 4 weeks and compared with unwashed/washed minces from unbled and bled trout in terms of rancid odour, peroxide value (PV), thiobarbituric acid reactive substances (TBARS) and redness loss. Muscle from saline-perfused fish, which had 72% less total haem, was deficient in rancid odour during the whole storage, while bled (54% less haem) and unbled samples developed rancid odour already after similar to 4 and 2 days; higher intensity without bleeding. PV/TBARS also developed in the order unbled > bled > perfused samples; however, PV/TBARS were not as completely prevented as rancid odour after perfusion. Saline washing (3 x 3 volumes) of unbled mince removed 84% haem and yielded the second most stable sample while saline washing (1 x 1 volumes) destabilised unbled mince, despite 64% haem removal. Concurrent antioxidant removal during washing of minces obviously counteracted the effect of blood removal and washing fish mince with small volumes of solution should be used with great care.
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