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The 6,9,12,15,18-heneicosapentaenoic acid of seal oil

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Lipids

Abstract

A heneicosapentaenoic acid isolated from seal oil has been identified as all-cis-heneicosa-6,9,12,15,18-pentaenoic acid (21∶5ω3). The gas liquid chromatographic retention times of the methyl ester on four different liquid phases were identical to those of synthetic 21∶5ω3, and the mass spectra of the pyrrolidide derivatives were very similar. The ω3 structure, unusual in an odd-chain polyethylenic acid, suggests as the origin α-oxidation of 22∶5ω3, but ω-oxidation of the 21∶6 hydrocarbon common in marine algae is also discussed.

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Authors and Affiliations

  1. Laboratoire Biochimie Marine, Station Zoologique, 06230, Villefranche-sur-Mer, France

    P. Mayzaud

  2. Department of Fisheries & Environment, Fisheries and Marine Service, Technology Branch, 1707 Lower Water Street, P.O. Box 550, B3J 257, Halifax, N.S., Canada

    R. G. Ackman

Authors
  1. P. Mayzaud
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  2. R. G. Ackman
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Mayzaud, P., Ackman, R.G. The 6,9,12,15,18-heneicosapentaenoic acid of seal oil. Lipids 13, 24–28 (1978). https://doi.org/10.1007/BF02533362

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  • DOI: https://doi.org/10.1007/BF02533362

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