Determination of the fully saturated triglyceride composition of fats |
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| Authors: | R Aneja A Bhati R J Hamilton F B Padley D A Steven |
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| Affiliation: | (1) Department of Chemistry, Liverpool Polytechnic, Liverpool, England;(2) Unilever Research Laboratory, Colworth, England;(3) Department of Chemistry, Liverpool Polytechnic, Liverpool, England |
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| 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.
Presented as a poster presentation at the 14th World Congress for Fat Research in Brighton, England (1978). |
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