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Revista Colombiana de Química
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Revista Colombiana de Química
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Ensayo de migración global en empaques para alimentos: evaluación de patrones internos alternativos

Authors: Edgar Andres Avendaño Florez; Elianna Castillo Serna; Diana Cristina Sinuco León;

Ensayo de migración global en empaques para alimentos: evaluación de patrones internos alternativos

Abstract

En el ensayo de migración global para empaques plásticos destinados a alimentos grasos se emplea triheptadecanoato de glicerilo (GTM) como patrón interno para la cuantificación de los ésteres metílicos de ácidos grasos (FAMEs) por cromatografía de gases. En este trabajo se evaluaron 3-fenil propanoato de etilo (EFP) y ácido tetradecanóico (AM) como patrones internos alternativos. El uso de AM presentó comportamiento lineal (r > 0,99 y %Sb < 5%), buena precisión intermedia (HORRATr = 0,9) y exactitud (%R = 100,6%). En contraste, la evaluación del EFP, demostró que este no es un patrón interno adecuado para la cuantificación de FAMEs. De otra parte, se evaluó estadísticamente que no hay diferencias significativas en el cálculo de la migración global a partir de FAMEs cuantificados usando como patrón interno GTM o AM, mientras que el uso de EFP sí presenta diferencias significativas.

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Keywords

54 Química y ciencias afines / Chemistry, Cromatografía de gases, gas chromatography, ésteres metílicos de ácidos grasos (FAMEs), plastic packaging, empaques plásticos, cromatografía de gases, cromatografia em fase gasosa, ésteres metílicos dos ácidos gordos (FAME), embalagens de plástico, fatty acid methyl esters (FAMEs)

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green
gold