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Factors affecting the stability of cottonseed oil. A study of the antioxygenic activity of alpha-tocopherol

  • Published:
Oil & Soap

Summary

The results indicate that the tocopherols function most effectively at lower levels of concentration and with decreasing efficiency at higher levels. The data suggest that the reactivity of α-tocopherol is predominantly towards the active peroxides and show that the rate and extent of peroxide accumulation during the induction period is dependent on the tocopherol content.

The initial rate of oxidation of α-tocopherol was found to be very rapid; the addition of small amounts of the cephalin fraction markedly retarded the rate of oxidation.

The antioxygenic activity of α-tocopherol was greatly increased by the addition of the cephalin fraction; the effect was not proportional to the content of cephalin fraction; instead, an effect of promotor action was observed.

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Author information

Authors and Affiliations

  1. Bureau of Agricultural Chemistry and Engineering, United States Department of Agriculture, Washington, D. C.

    C. E. Swift (Research Fellow), W. G. Rose (Associate Chemist) & G. S. Jamieson (Senior Chemist)

  2. National Cottonseed Products Association, and Collaborator, U. S. Department of Agriculture, USA

    C. E. Swift (Research Fellow)

Authors
  1. C. E. Swift
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  2. W. G. Rose
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  3. G. S. Jamieson
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Additional information

Agricultural Chemical Research Division Contribution No. 84.

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Swift, C.E., Rose, W.G. & Jamieson, G.S. Factors affecting the stability of cottonseed oil. A study of the antioxygenic activity of alpha-tocopherol. Oil Soap 19, 176–180 (1942). https://doi.org/10.1007/BF02545440

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  • DOI: https://doi.org/10.1007/BF02545440

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