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Campo DC | Valor | Idioma |
---|---|---|
dc.contributor.author | Oliveira, Cristiane Patrícia de | |
dc.contributor.author | Rodriguez-Lafuente, Angel | |
dc.contributor.author | Soares, Nilda de Fátima Ferreira | |
dc.contributor.author | Nerin, Cristina | |
dc.date.accessioned | 2018-08-23T14:00:17Z | |
dc.date.available | 2018-08-23T14:00:17Z | |
dc.date.issued | 2012-06-29 | |
dc.identifier.issn | 0021-9673 | |
dc.identifier.uri | https://doi.org/10.1016/j.chroma.2012.05.013 | |
dc.identifier.uri | http://www.locus.ufv.br/handle/123456789/21393 | |
dc.description.abstract | A method consisting of multiple headspace solid-phase microextraction followed by gas chromatography–mass spectrometry analysis was developed and used to determine the main volatile radiolysis products formed by γ-irradiation of flexible multilayer food packaging samples. The developed method allows the use of solid-phase microextraction in the quantification of compounds from plastic solid samples. A screening of volatiles in the γ-irradiated and non-irradiated films was performed and 29 compounds were identified in the irradiated packaging, 17 of which were absent in the non-irradiated samples. The main volatile radiolysis products identified were: 1,3-di-tert-butylbenzene; 2,6-di-tert-butyl-1,4-benzoquinone; 4-tert-butyl-phenol and the off-odor compounds butanoic acid and valeric acid. These volatile radiolysis compounds were determined with the proposed method and the results are shown and discussed. Solid–liquid extraction and headspace solid-phase microextraction methods were also studied for comparative purposes. The automated solvent-free multiple HSPME technique here presented can be used to quantify the radiolysis compounds in irradiated plastic solid samples in a simple way with the advantages of being free from matrix influence and environmentally friendly. | en |
dc.format | pt-BR | |
dc.language.iso | eng | pt-BR |
dc.publisher | Journal of Chromatography A | pt-BR |
dc.relation.ispartofseries | volume 1244, páginas 61-68, junho 2012 | pt-BR |
dc.rights | Elsevier B.V. | pt-BR |
dc.subject | Multiple solid-phase microextraction | pt-BR |
dc.subject | Food packaging material | pt-BR |
dc.subject | γ-Irradiation | pt-BR |
dc.subject | Volatile radiolysis compounds | pt-BR |
dc.subject | GC–MS | pt-BR |
dc.title | Multiple headspace-solid-phase microextraction as a powerful tool for the quantitative determination of volatile radiolysis products in a multilayer food packaging material sterilized with γ-radiation | en |
dc.type | Artigo | pt-BR |
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artigo.pdf Until 2100-12-31 | texto completo | 483,06 kB | Adobe PDF | Visualizar/Abrir ACESSO RESTRITO |
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