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The rates of oxidation of unsaturated fatty acids and esters

  • Published:
Journal of the American Oil Chemists Society

Summary

The rates of autoxidation of oleic acid, ethyl oleate, linoleic acid, 10,12-linoleic acid, ethyl linoleate, trilinolein, pentaerythritol linoleate, dipentaerythritol linoleate, elaidolinolenic acid, linolenic acid, ethyl linolenate, trilinolenin, and methyl arachidonate have been studied by oxygen uptake in a Warburg respirometer and the results are compared with the rates of enzymatic oxidation of lipoxidase substrates.

The increase in the number of double bonds in a fatty acid by one increases the rate of oxidation of the fatty acid or its esters by at least a factor or two.

Earlier findings that acids oxidize more rapidly than their esters have been confirmed.

The initial rates of lipoxidase oxidation of ethyl linoleate, ethyl linolenate, and methyl arachidonate were found to be essentially the same.

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Author information

Author notes

  1. Ralph T. Holman

    Present address: Biokemiska Avdelningen, Medicinska Nobelinstitutet, Stockholm, Sweden

Authors and Affiliations

  1. The Department of Physiological Chemistry, University of Minnesota, Minneapolis, Minn

    Ralph T. Holman & Otto C. Elmer

Authors
  1. Ralph T. Holman
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  2. Otto C. Elmer
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Additional information

This project was aided in part by a grant from the Federation of Paint and Varnish Production Clubs.

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Holman, R.T., Elmer, O.C. The rates of oxidation of unsaturated fatty acids and esters. J Am Oil Chem Soc 24, 127–129 (1947). https://doi.org/10.1007/BF02643258

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  • DOI: https://doi.org/10.1007/BF02643258

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