期刊
TALANTA
卷 82, 期 4, 页码 1261-1270出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2010.06.055
关键词
Cod liver oil; Triacylglycerols; Fatty acids; Liquid chromatography electrospray tandem mass spectrometry; Algorithm
资金
- European Commission
- Norwegian Research Council [NRF 173534/130]
Though liquid chromatography electrospray tandem mass spectrometry (LC-ESI-MS2) has been widely used in the structural elucidation of triacylglycerols (TAG) in vegetable oils, its potentiality for the identification of TAG molecules in omega-3 rich oils remains unexplored till date. Hence, this article investigates the applicability of LC-ESI-MS2 for the structural characterization of naturally occurring TAG in cod liver oil without the TAG fractionation during the sample preparation. A computational algorithm was developed to automatically interpret the mass spectra and elucidate the TAG structures respectively. The results were compared against the lipase benchmark method. A principal component analysis study revealed that it is possible to discriminate genuine from adulterated cod liver oil. (C) 2010 Elsevier B.V. All rights reserved.
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