| Summary: | An experimental study was carried out with the aim of evaluating the quality of the lipid fraction of Serbian biscuits. Total fat contents of the biscuit samples ranged between 10.2% and 24.5%. The saturated, cis-monounsaturated and cis-polyunsaturated fatty acid contents were within the ranges of 18.585.6%, 10.649.9% and 2.713.3% of total fatty acids, respectively. The content of trans fatty acids (TFA) ranged from 0.0% to 42.5% and the mean was 10.2%. In a total of 34 investigated samples, 10 of them were found to be trans - free, 8 contained low level of TFA (under 2%), 4 samples contained between 2 and 10% of TFA, while 12 samples contained very high amounts of TFA (12.042.5%). The results obtained showed a considerable variability in fatty acid composition of biscuits which indicated that different types of fats and oils were used for production of biscuits in Serbia.
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