Marine Biology

, Volume 101, Issue 4, pp 553–556 | Cite as

Lipids in atlantic halibut (Hippoglossus hippoglossus) eggs from planktonic samples in Northern Norway

  • S. Falk-Petersen
  • J. R. Sargent
  • C. Fox
  • I. -B. Falk-Petersen
  • T. Haug
  • E. Kjørsvik
Article

Abstract

Fertilized Atlantic halibut (Hippoglossus hippoglossus L.) eggs in different developmental stages (Days 0 to 18) were sampled from plankton in North Norway in February 1986 and analysed for lipid classes and fatty acid content. In unfertilized ovulated eggs taken from ripe fish caught in 1983/1984, polar and neutral lipids comprised ca. 71 and 30% of the total lipids, respectively, decreasing and increasing to 67 and 33%, respectively, in Stage III (11 to 18 d old) fertilized eggs. Of the polar lipids, phosphatidylcholine decreased markedly from 62% in unfertilized ovulated eggs to ca. 40% in Stage I (0 to 3 d old) fertilized eggs, while phosphatidylethanolamine increased from ca. 7 to 33%. Triacylglycerols, the major neutral lipids, increased from ca. 13% in unfertilized ovulated eggs to 16% in Stage III fertilized eggs. The total lipid in Stage I fertilized eggs had relatively low levels of polyunsaturated fatty acids (PUFA), with (n-3) PUFA accounting for only ca. 25% of the total fatty acids. The (n-3) PUFA increased to ca. 40% of the total fatty acids in Stage III, while the (n-3): (n-6) ratio increased from 4.1 to 7.0.

Keywords

Lipid Developmental Stage Acid Content Polyunsaturated Fatty Acid Total Lipid 

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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • S. Falk-Petersen
    • 1
  • J. R. Sargent
    • 2
  • C. Fox
    • 2
  • I. -B. Falk-Petersen
    • 3
  • T. Haug
    • 4
  • E. Kjørsvik
    • 3
  1. 1.Akvaplan a/s, Søndre Tollbugt. 3TromsøNorway
  2. 2.NERC Unit of Aquatic Biochemistry, School of Molecular and Biological SciencesUniversity of StirlingStirlingScotland
  3. 3.Norwegian College of Fishery ScienceUniversity of TromsøTromsøNorway
  4. 4.Department of Marine Biology, Tromsø MuseumUniversity of TromsøTromsøNorway

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