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Metal-requiring and non-metal - requiring catalysts in the autoxidation of methyl linoleate

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  • Published:
Journal of the American Oil Chemists Society

Abstract

During the autoxidation of methyl linoleate, peroxide-containing substances are formed which, when added to unoxidized methyl linoleate, will catalyze oxygen uptake. Materials active only in the presence of added metal ions (MCs) were not inactivated during aerobic thin-layer chromatography on silicic acid or alumina but were selectively inactivated by treatment with triphenylphosphine. Catalysts not requiring added metal ions for activity (NCs) are not affected by triphenylphosphine, but the catalytic activity is lost during aerobic thin-layer chromatography. Autoxidized methyl linoleate was separated into four peroxide-containing fractions by elution from a silicic acid column with hexane-diethyl ether mixtures. Each fraction was found to contain both MCs and NCs.

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Authors and Affiliations

  1. Department of Food and Nutrition, Nihon Women’s University, 2-8-1, Mejirodai, Bunkyo-ku, 112, Tokyo, Japan

    M. Morita, M. Tanaka, Y. Takayama & Y. Yamamoto

Authors
  1. M. Morita
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  2. M. Tanaka
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  3. Y. Takayama
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  4. Y. Yamamoto
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Cite this article

Morita, M., Tanaka, M., Takayama, Y. et al. Metal-requiring and non-metal - requiring catalysts in the autoxidation of methyl linoleate. J Am Oil Chem Soc 53, 487–488 (1976). https://doi.org/10.1007/BF02636819

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  • DOI: https://doi.org/10.1007/BF02636819

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