Home-made silver ion solid-phase extraction system for the analysis of trans fatty acids: comparison with commercial Discovery Ag-Ion SPE

Vilius Poškus, Vida Vičkačkaitė, Julita Dargytė, Gintautas Brimas

Abstract


A home-made silica-based silver ion solid-phase extraction (Ag+-SPE) system for the fractionation and subsequent gas chromatographic analysis of trans fatty acids in human adipose tissue is developed and examined. Analytical characteristics of the home-made Ag+-SPE column were compared with those of the commercial Discovery Ag-Ion SPE column and it was demonstrated that the both columns can be applied for the fractionation of fatty acid methyl esters.

Keywords


Ag+-SPE; trans fatty acids; human adipose

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DOI: https://doi.org/10.6001/chemija.v29i1.3643

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ISSN 0235-7216 (Print)
ISSN 2424-4538 (Online)