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Industrial thawing of block frozen fish products to improve quality, yield and capacity.

Author(s) : HAUGLAND A., JOHANSEN S., MAGNUSSEN O. M.

Summary

In the fish processing industry, the raw material is often frozen in plate freezers or carton boxes, leading to brick-shaped blocks of frozen raw material. The thawing of these blocks represent challenges, both in terms of handling and in thermal aspects. The blocks tend to freeze together forming larger units. This means that the thawing must last significantly longer than theoretically necessary. An important mean to reduce the thawing time and to improve the quality is to split the blocks as soon as possible. This work investigates the effect of some factors (thawing media temperature, salt content in thawing media, agitation, initial temperature of the block), and suggests how this knowledge can be used to improve existing thawing processes.

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Details

  • Original title: Industrial thawing of block frozen fish products to improve quality, yield and capacity.
  • Record ID : 2004-2363
  • Languages: English
  • Source: 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
  • Publication date: 2003/08/17

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