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Color tests for the detection of alpha-dicarbon compounds formed in the autoxidation of fats

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Oil & Soap

Summary

Tests have been devised for detectingα-dicarbonyl compounds in autoxidized fats. The tests are based upon the conversion of theα-dicarbonyl compounds to their dioximes, formation of the nickelous, cupric and bis-pyridine-ferrous derivatives of the dioximes, and extraction of these colored metallic dioxime derivatives into organic solvent phases.

The presence ofα-dicarbonyl compounds in a number of autoxidized fatty materials has been demonstrated by these tests.

Peroxides in autoxidized fatty materials could be destroyed by treatment with ferrous chloride without destruction ofα-dicarbonyl compounds.

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Author information

Author notes

  1. Edward A. Prill

    Present address: The Borden Company Research Division, Bainbridge, N. Y.

Authors and Affiliations

  1. McArdle Memorial Laboratory, University of Wisconsin, Madison

    Edward A. Prill

Authors
  1. Edward A. Prill
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Additional information

This investigation was aided by the Jonathan Bowman Fund for Cancer Research.

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Prill, E.A. Color tests for the detection of alpha-dicarbon compounds formed in the autoxidation of fats. Oil Soap 19, 107–109 (1942). https://doi.org/10.1007/BF02630669

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  • DOI: https://doi.org/10.1007/BF02630669

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