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Determination of the fully saturated triglyceride composition of fats

  • Published:
Journal of the American Oil Chemists’ Society

Abstract

A method is described for the quantitative determination of the fully saturated triglyceride composition of fats. The method involves a quantitative oxidation of the unsaturated triglycerides in the fat to a mixture of α ketol and dihydroxy compounds, using aqueous alkaline potassium permanganate and a phase transfer catalyst in a two phase reaction. The fully saturated triglycerides are fractionated from the oxidation products by column chromatography on silicic acid and their composition is quantified by gas liquid chromatography (GLC) using a flame ionization detector. Analyses of samples of lard, cocoa butter, olive oil, soybean oil, crude palm oil (ex Malaysia) and the stearin fraction from palm oil are given as examples of the method.

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Authors and Affiliations

  1. Department of Chemistry, Liverpool Polytechnic, Liverpool, England

    R. Aneja, A. Bhati, R. J. Hamilton, F. B. Padley & D. A. Steven

  2. Unilever Research Laboratory, Colworth, England

    R. Aneja, A. Bhati, R. J. Hamilton, F. B. Padley & D. A. Steven

Authors
  1. R. Aneja
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  2. A. Bhati
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  3. R. J. Hamilton
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  4. F. B. Padley
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  5. D. A. Steven
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Additional information

Presented as a poster presentation at the 14th World Congress for Fat Research in Brighton, England (1978).

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Aneja, R., Bhati, A., Hamilton, R.J. et al. Determination of the fully saturated triglyceride composition of fats. J Am Oil Chem Soc 57, 135–139 (1980). https://doi.org/10.1007/BF02672235

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  • DOI: https://doi.org/10.1007/BF02672235

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