Journal
FOOD CHEMISTRY
Volume 203, Issue -, Pages 276-282Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.01.122
Keywords
Large yellow croaker; Storage quality; Shelf life; Chitosan; Nisin
Funding
- National Key Technology RD Program [2014BAD10B02-04]
- National Natural Science Foundation of China [81000645, 61272313]
- Scientific Research Development Project of Zhejiang A F University [2015FR020]
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Effects of chitosan combined with different concentrations of nisin on quality enhancement of large yellow croaker (Pseudosciaena crocea) stored at 4 degrees C were evaluated for 8 days. Changes in sensory score and volatile spoilage products, total viable counts (TVC), and physiochemical indexes including weight loss, colour, pH, total volatile basic nitrogen (TVB-N), and K-value were examined. Results demonstrated that nisin-treated samples presented better quality preservation effects than chitosan alone. 1% chitosan combined with 0.6% nisin presented optimal quality enhancement effects, such as moisture loss control, volatile spoilage inhibition, TVB-N reduction, TVC growth control, and colour and sensory acceptability maintenance. Therefore, chitosan combined with nisin is promising in large yellow croaker shelf life extension. (c) 2016 Elsevier Ltd. All rights reserved.
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