Abstract

The aim of the study was to characterise products of cholesterol standard changes during thermal processing. Cholesterol was heated at 120°C, 150°C, 180°C and 220°C from 30 to 180min. The highest losses of cholesterol content were found during thermal processing at 220°C, whereas the highest content of cholesterol oxidation products was observed at temperature of 150°C. The production of volatile compounds was stimulated by the increase of temperature. Treatment of cholesterol at higher temperatures i.e. 180°C and 220°C led to the formation of polymers and other products e.g. cholestadienes and fragmented cholesterol molecules. Further studies are required to identify the structure of cholesterol oligomers and to establish volatile compounds, which are markers of cholesterol transformations, mainly oxidation.

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