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The antioxidant properties of ethoxyquin and of some of its oxidation products in fish oil and meal

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Journal of the American Oil Chemists Society

Abstract

Ethoxyquin is an effective antioxidant for both fish oil and fish meal but its antioxidant activity often follows an initial burst of pro-oxidant activity. Some oxidation products of ethoxyquin are shown to be powerful antioxidants as determined from measurements by the Warburg manometric technique. Of the compounds examined, 2,6-dihydro-2,2,4-trimethyl-6-quinone imine and ethoxyquin nitroxide showed marked antioxidant activity.

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Author information

Author notes

  1. Snorri Thorisson

    Present address: Icelandic Fisheries Laboratory, Reykjavik, Iceland

Authors and Affiliations

  1. Chemistry Department, The University of St. Andrews, KY16 9ST, Fife, United Kingdom

    Snorri Thorisson & Frank Gunstone

  2. The Torry Research Station, AB9 8DG, Aberdeen, United Kingdom

    Roy Hardy

Authors
  1. Snorri Thorisson
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  2. Frank Gunstone
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  3. Roy Hardy
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Thorisson, S., Gunstone, F. & Hardy, R. The antioxidant properties of ethoxyquin and of some of its oxidation products in fish oil and meal. J Am Oil Chem Soc 69, 806–809 (1992). https://doi.org/10.1007/BF02635920

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  • DOI: https://doi.org/10.1007/BF02635920

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