In northern Europe a number of fish products are prepared in such a way that biochemical and microbial
action can take place. These are complex processes for which there are few available scientific studies.
This article covers the origin, manufacturing, characteristics, and consumption of traditional fermented
fish products, including surstr€omming from Sweden, rakfisk from Norway, hakarl from Iceland, and the
barrel-salted herring that was commonly produced in most of northern Europe.
Copyright © 2015, Korea Food Research Institute, Published by Elsevier. This is an open access article
under the CC BY-NC-ND license