Abstract

AbstractMethods for separation of various structural entities of dimers from heated fats and oils are not yet available. A series of dimers, representative of these, which may be formed in thermal oxidative reactions of fats and oils have recently been made available. In this study, the results of the analysis of a mixture of standard synthetic dimers, differing in polarity and structure, by packed column and capillary gas‐liquid chromatography (GLC), high performance liquid chromatography (HPLC) and thin‐layer chromatography (TLC) are presented. The HPLC method is based on the use of a octadecyl‐bonded reverse phase column with acetone actonitrile (1:1, v/v) as the mobile phase with refractive index detection.

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