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Occurrence of 7-methyl-7-hexadecenoic acid, the corresponding alcohol, 7-methyl-6-hexadecenoic acid, and 5-methyl-4-hexadecenoic acid in sperm whale oils

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Lipids

An Erratum to this article was published on 01 December 1975

Abstract

Two sperm whale oils from the northern hemisphere and two from the southern hemisphere were fractionated. Triglyceride and wax esters were examined for fatty acids and alcohols with monoethylenic unsaturation bearing a methyl branch on an ethylenic carbon. The 7-methyl-7-hexadecenoic acid (0.37–1.37%) was accompanied by the corresponding alcohol (0.28–0.72%), but these materials were not accompanied by shorter chain homologues. The 7-methyl-6-hexadecenoic acid was relatively less important (0.23–0.68%), but was accompanied by 5-methyl-4-hexadecenoic acid (0.10–0.39%), and a partially identified C13 compound. Chromatographic properties on silver nitrate impregnated silicic acid TLC and on three GLC liquid phases are reported.

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Author notes

  1. J. C. Pascal

    Present address: Mohamed V University, Rabat, Morocco

Authors and Affiliations

  1. Environment Canada Fisheries and Marine Service, Halifax Laboratory, B3J 2R3, Halifax, Nova Scotia, Canada

    J. C. Pascal & R. G. Ackman

Authors
  1. J. C. Pascal
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  2. R. G. Ackman
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Additional information

An erratum to this article is available at http://dx.doi.org/10.1007/BF02640748.

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Pascal, J.C., Ackman, R.G. Occurrence of 7-methyl-7-hexadecenoic acid, the corresponding alcohol, 7-methyl-6-hexadecenoic acid, and 5-methyl-4-hexadecenoic acid in sperm whale oils. Lipids 10, 478–482 (1975). https://doi.org/10.1007/BF02532432

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  • DOI: https://doi.org/10.1007/BF02532432

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