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An improved 2-thiobarbituric acid (TBA) procedure for the measurement of autoxidation in fish oils

  • Technical
  • Published:
Journal of the American Oil Chemists Society

Abstract

An improved 2-thiobarbituric acid (TBA) method suitable for routine testing of autoxidative changes of fish oil and other polyunsaturated lipids has been developed. Air oxidation of the lipid during the TBA reaction was found to produce misleading results. The air oxidation may be controlled by addition of antioxidants to the reaction system. Other factors causing inconsistent TBA results and methods of prevention are also described. A comparison of peroxide and TBA values in autoxidized menhaden oil is presented.

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Authors and Affiliations

  1. Department of Food Science and Technology, Oregon State University, Corvallis, Oregon

    T. C. Yu & R. O. Sinnhuber

Authors
  1. T. C. Yu
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  2. R. O. Sinnhuber
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Additional information

Technical Paper No. 2196, of the Oregon Agricultural Experiment Station.

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Yu, T.C., Sinnhuber, R.O. An improved 2-thiobarbituric acid (TBA) procedure for the measurement of autoxidation in fish oils. J Am Oil Chem Soc 44, 256–258 (1967). https://doi.org/10.1007/BF02639270

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  • DOI: https://doi.org/10.1007/BF02639270

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