Please use this identifier to cite or link to this item: https://open.uns.ac.rs/handle/123456789/15206
Title: Determination of trans fatty acids in foodstuffs by gas chromatography-mass spectrometry after simultaneous microwave-assisted extraction-esterification
Authors: Kravić, Snežana 
Suturović, Zvonimir 
Švarc-Gajić, Jaroslava 
Stojanović, Zorica 
Pucarević, Mira
Issue Date: 17-Aug-2010
Publisher: Belgrade: Serbian Chemical Society
Journal: Journal of the Serbian Chemical Society
Abstract: A sample preparation method based on the simultaneous microwaveassisted extraction-esterification (SMAEE) was developed for the determination of the fatty acid composition of foodstuffs by gas chromatography-mass spectrometry. The proposed sample preparation method was validated by comparison with the reference Soxhlet extraction method followed by derivatisation by ester formation and the same determination step. The fatty acid compositions and the extraction efficiencies obtained using the proposed SMAEE method and the reference method were statistically similar. The results showed that compared to the conventional method, the SMAEE method offered the advantages of short sample preparation time, low consumption of expensive organic solvents and lower energy consumption. This good agreement between results provided by both the SMAEE and the reference method demonstrates the usefulness of the former as a routine method for the treatment of food samples prior to trans fatty analysis.
URI: https://open.uns.ac.rs/handle/123456789/15206
ISSN: 03525139
DOI: 10.2298/JSC090717051K
Appears in Collections:TF Publikacije/Publications

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