Overall migration test in food packaging: Evaluation of alternative internal standards

In the global migration test for plastic packaging intended for fatty foods, glyceryl triheptadecanoate (GTM) is used as the internal standard for the quantification of fatty acid methyl esters (FAMEs) by gas chromatography. In this work, ethyl 3-phenyl propanoate (EFP) and tetradecanoic acid (AM) w...

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Published in:Revista colombiana de química 2018-01, Vol.47 (1), p.34
Main Authors: Edgar Andres Avendaño Florez, Elianna Castillo Serna, Diana Cristina Sinuco León
Format: Article
Language:Spanish
Subjects:
Esters
Food
Food packaging
Gas chromatography
Migration
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Elianna Castillo Serna
Diana Cristina Sinuco León
description In the global migration test for plastic packaging intended for fatty foods, glyceryl triheptadecanoate (GTM) is used as the internal standard for the quantification of fatty acid methyl esters (FAMEs) by gas chromatography. In this work, ethyl 3-phenyl propanoate (EFP) and tetradecanoic acid (AM) were evaluated as alternative internal standards. The use of (AM) presented linear behavior (r > 0.99 and %Sb < 5%), good intermediate precision (HORRATr = 0.9), and accuracy (%R = 100.6%). In contrast, the evaluation of (EFP) demonstrated that this is not an adequate internal standard for the quantification of FAMEs. In addition, it was statistically evaluated that there are no significant differences in the calculation of the global migration from FAMEs quantified using GTM or AM as internal standards, but the use of EFP presents significant differences.
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subjects Esters
Food
Food packaging
Gas chromatography
Migration
title Overall migration test in food packaging: Evaluation of alternative internal standards
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