Influence of interesterification on the oxidative stability of marine oil triacylglycerols

  • Hiromi Kimoto
  • Yasushi Endo
  • Kenshiro Fujimoto
Article

DOI: 10.1007/BF02540655

Cite this article as:
Kimoto, H., Endo, Y. & Fujimoto, K. J Am Oil Chem Soc (1994) 71: 469. doi:10.1007/BF02540655

Abstract

To understand the relationship between triacylglycerol structure of marine oils and their oxidative stability, peroxide values and absorbed oxygen levels of whale, sardine, cod liver and skipjack oils, interesterified by lipase and NaOCH3, were compared with those of native oils during storage at 40°C. Triacylglycerol structures of marine oils were characterized by high-performance liquid chromatography and differential scanning calorimetry analyses. Enzymatically interesterified fish oils were more stable than native oils because the level of highly unsaturated triacylglycerols was decreased. However, the oxidative stability of interesterified whale oil was more susceptible to oxidation than the native oil.

Key Words

Fish oil interesterification lipase marine oil oxidation triacylglycerol whale oil 

Copyright information

© AOCS Press 1994

Authors and Affiliations

  • Hiromi Kimoto
    • 1
  • Yasushi Endo
    • 1
  • Kenshiro Fujimoto
    • 1
  1. 1.Faculty of AgricultureTohoku UniversitySendaiJapan
  2. 2.The National Institute of Animal IndustryTsukubaJapan
  3. 3.Faculty of AgricultureTohoku UniversitySendaiJapan

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