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Updated: Jun 8, 2026

Preparation of High-Quality Fermented Fish Product
Published on: August 23, 2019
Changes in liquid-holding capacity, water distribution and microstructure during chill storage of smoked salmon
Hanne Løje1, Kristina N Jensen, Grethe Hyldig
1Technical University of Denmark (DTU), Danish Institute for Fisheries Research, Department of Seafood Research, DTU Søltofts Plads Building 221, DK-2800 Kgs. Lyngby, Denmark.
Background:
During recent years, increases in liquid loss and soft texture in cold smoked salmon have been reported, possibly due to increased lipid content and a change in muscle structure. These problems can lead to downgrading of the product. This study aimed to investigate the influence of raw material composition and chill storage on quality parameters of cold smoked salmon.
Results:
Initial smoked fish had a higher liquid-holding capacity (LHC) than samples stored for 20 days. Large fish lost more liquid than small fish. The difference in LHC was consistent with a change in water distribution, which could indicate denaturation of muscle protein. Studies of the microstructure showed the influence of both processing and chill storage. An indication of lipid released from the cells was seen after 20 days of chill storage, which could be related to the reduced LHC at that time.
Conclusion:
Both raw material composition and chill storage affected the quality parameters of smoked salmon. This study has improved knowledge about the relationships between muscle structure, liquid-holding properties and water distribution in smoked salmon. Copyright © 2007 Society of Chemical Industry.
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