Temperature fluctuations and quality deterioration of chilled cod (Gadus morhua) fillets packaged in different boxes stored on pallets under dynamic temperature conditions

Björn Margeirsson, Hélène L. Lauzon, Halldór Pálsson, Viktor Popov, Radovan Gospavic, Magnús Pór Jónsson, Sjöfn Sigurgísladóttir, Sigurjón Arason

Research output: Contribution to journalArticlepeer-review

Abstract

A study was carried out to evaluate temperature variation and quality deterioration of packaged cod fillets as influenced by the box type used and their position on pallets under dynamic temperature storage. Storage life of thermally abused fillets was compared to that of fillets stored at steady temperature. Thermal performance of fish boxes, made of corrugated plastic on one hand and expanded polystyrene on the other hand, was also compared. Fillet temperature at multiple positions on the pallets along with environmental temperature and humidity were monitored during storage. Differences in product temperature of up to 10.5 °C were recorded on the thermally abused pallets stored for 6.4 h at mean ambient temperature of 18.5 °C. A reduction in storage life of 1.5-3 days was observed depending on the box position on the abused pallets compared to steady temperature storage.

Original languageEnglish
Pages (from-to)187-201
Number of pages15
JournalInternational Journal of Refrigeration
Volume35
Issue number1
DOIs
Publication statusPublished - Jan 2012

Bibliographical note

Funding Information: This work was supported by the EU-project Chill on (project no. FP6-016333-2) and the Icelandic research project “Hermun kæliferla”. The latter one is funded by AVS R&D Fund of Ministry of Fisheries in Iceland (project no. R 037-08 ), Technology Development Fund (project no. 081304508 ) and University of Iceland Research Fund . The financing of this work is gratefully acknowledged. Thanks to the staff at Matís for the various chemical, microbiological and sensory analyses performed. Finally, the authors would like to acknowledge Li Ge, a former student at the UNU-FTP in Iceland, for technical assistance and dedicate this paper to her memory.

Other keywords

  • Fish
  • Insulation
  • Packaging
  • Pallet
  • Storage life
  • Temperature variation

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