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Nutrients 2018, 10(10), 1443; https://doi.org/10.3390/nu10101443

Erucic Acid (22:1n-9) in Fish Feed, Farmed, and Wild Fish and Seafood Products

Institute of Marine Research, PO box 1870 Nordnes, N-5817 Bergen, Norway
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Received: 13 September 2018 / Revised: 28 September 2018 / Accepted: 2 October 2018 / Published: 5 October 2018
(This article belongs to the Special Issue Fatty Acids and Cardiometabolic Health)
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Abstract

The European Food Safety Authority (EFSA) published a risk assessment of erucic acid (22:1n-9) in 2016, establishing a Tolerable Daily Intake (TDI) for humans of 7 mg kg−1 body weight per day. This report largely excluded the contribution of erucic acid from fish and seafood, due to this fatty acid often not being reported separately in seafood. The Institute of Marine Research (IMR) in Norway analyzes erucic acid and has accumulated extensive data from analyses of fish feeds, farmed and wild fish, and seafood products. Our data show that rapeseed oil (low erucic acid varieties) and fish oil are the main sources of erucic acid in feed for farmed fish. Erucic acid content increases with total fat content, both in farmed and wild fish, and it is particularly high in fish liver, fish oil, and oily fish, such as mackerel. We show that the current TDI could be exceeded with a 200 g meal of mackerel, as at the maximum concentration analyzed, such a meal would contribute 143% to the TDI of a 60 kg person. These data cover a current knowledge gap in the scientific literature regarding the content of erucic acid in fish and seafood. View Full-Text
Keywords: erucic acid; fish; seafood erucic acid; fish; seafood
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Sissener, N.H.; Ørnsrud, R.; Sanden, M.; Frøyland, L.; Remø, S.; Lundebye, A.-K. Erucic Acid (22:1n-9) in Fish Feed, Farmed, and Wild Fish and Seafood Products. Nutrients 2018, 10, 1443.

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