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Distribution oftrans-6-hexadecenoic acid, 7-methyl-7-hexadecenoic acid and common fatty acids in lipids of the ocean sunfishMola mola

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Lipids

Abstract

Lipids extracted from various tissues of four individual sunfish have been shown to contain thetrans-6-hexadecenoic acid previously reported for marine turtles, a metridium and a jelly fish, and also the 7-methyl-7-hexadecenoic acid recently isolated from one sunfish liver oil sample. The other fatty acids present were qualitatively typical of marine lipids in general. Unusual quantitative details included high percentages of 18∶0 and 20∶4ω6, which are also found in the Atlantic leatherback turtle and presumably linked to a similar diet of jellyfish and to other common factors. In a sample of lipids from intestinal contentstrans-6-hexadecenoic acid was found to be the predominant C16 monoene, and was accompanied by comparatively large amounts of the 7-methyl-7-hexadecenoic acid. This observation and other fatty acid details are compatible with an exogenous origin for these acids and jellyfish, etc., as a predominant dietary material for the ocean sunfish.

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Authors and Affiliations

  1. Halifax Laboratory, Fisheries Research Board of Canada, Halifax, Nova Scotia

    S. N. Hooper, M. Paradis & R. G. Ackman

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  1. S. N. Hooper
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  2. M. Paradis
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  3. R. G. Ackman
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Hooper, S.N., Paradis, M. & Ackman, R.G. Distribution oftrans-6-hexadecenoic acid, 7-methyl-7-hexadecenoic acid and common fatty acids in lipids of the ocean sunfishMola mola . Lipids 8, 509–516 (1973). https://doi.org/10.1007/BF02531986

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  • DOI: https://doi.org/10.1007/BF02531986

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