Rehydration of salt-cured cod using injection and tumbling technologies
Journal : Food Research International , vol. 37 , p. 925–931 , 2004
Publisher : Elsevier
International Standard Numbers
Printed : 0963-9969
Electronic : 1873-7145
Publication type : Academic article
DOI : doi.org/10.1016/j.foodres.2004...
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Traditional rehydration of salt-cured and dried salt-cured cod (klipfish) is most often carried out in stagnant water for 24-48 h. This process has however been difficult to run in industrial scale due to problems related both to process flow and product quality. The new three-step rehydration method developed in this work includes injection of tap water followed by tumbling in water and tumbling in a 2% NaCl brine. Using the new rapid method whole fillets and loins are rehydrated within 3 h. Similar to traditional rehydration, a weight gain of 33-34% was obtained. A trained sensory panel found significant differences in cohesiveness, after-taste and sour smell between fillets rehydrated with the traditional and the new method. No differences were found concerning 14 other sensory properties or the storage stability of rehydrated samples. (C) 2004 Elsevier Ltd. All rights reserved.