Published 2020

Read in Norwegian

Publication details

Publisher : Nofima AS

International Standard Numbers :
Printed : 978-82-8296-662-7

Publication type : Nofima’s reports

Contributors : Joensen, Sjurdur

Series : Nofima rapportserie 45/2020

Year : 2020

Research areas

Quality and measurement methods


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Kjetil Aune
Chief Librarian


Commercial production of naturally dried fish, Stockfish, does not permit hanging of gutted fish with head-on, according to food regulations. In recent years this regulation has been discussed amongst the producers, questioning if drying with head on will affect the Stockfish quality. The objective of the project was to study if there are quality differences in Stockfish when dried gutted and de-headed, or dried gutted and with head-on. Fish used in the trial was cod, haddock and saith, and there was an upper size limit of the fish to be used in the study. When small-sized fish (< 50 cm) is used, drying with head-on does not seem to affect the Stockfish quality.


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