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Document IIF

L'effet des vitesses de refroidissement sur la formation de cristaux de glace dans des filets de saumon emballés sous air lors du surrefroidissement et de l'entreposage surrefroidi.

The effect of cooling rates on the ice crystal growth in air-packed salmon fillets during superchilling and superchilled storage.

Auteurs : KAALE L. D., EIKEVIK T. M., BARDAL T., et al.

Type d'article : Article, Article de la RIF

Résumé

Salmon fillets were superchilled in an impingement freezer using four different treatments, A (heat transfer coefficient 153 W/m2.K, air temperature -20°C), B (227 W/m2.K, -20°C), C (153 W/m2.K, -30°C) and D (227 W/m2.K, -30°C), and stored at -1.7°C for 28 days. The influence of these treatments on the microstructure of salmon fillets was studied. The equivalent diameter of the intracellular ice crystals formed were 124 ± 14, 110 ± 4, 114 ± 16, and 95 ± 5 µm for the samples subjected to treatments A, B, C and D, respectively, after one day of storage. Smaller size of the ice crystals were observed in fillets superchilled using treatment D compared with other treatments. Significant differences were observed between the size of ice crystals formed during the superchilling process and superchilled storage. The results further indicated that, the growth of the intracellular ice crystal was significant at (P < 0.05) for the entire storage time. However, after temperature equalization (1 day of storage), there was gradually growth of the intracellular ice crystals compared to that observed before temperature equalization (i.e. day 0 and 1). Conversely, spurt growth of the size of ice crystals were observed between 14 and 21 days of storage.

Documents disponibles

Format PDF

Pages : 110-119

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : The effect of cooling rates on the ice crystal growth in air-packed salmon fillets during superchilling and superchilled storage.
  • Identifiant de la fiche : 30006449
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 1
  • Date d'édition : 01/2013

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