Journal
FOOD CHEMISTRY
Volume 334, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2020.127547
Keywords
Migration; Polystyrene; Polyethylene terephthalate; Honey; Dispersive liquid liquid microextraction; Gas chromatography-mass spectrometry
Funding
- Spanish MICINN [PGC2018-098363-B-I00]
- Comunidad Autonoma de la Region de Murcia (CARM, Fundacion Seneca) [19888/GERM/15]
- European Commission (FEDER/ERDF)
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This study proposed a method using gas chromatography-mass spectrometry to monitor and quantify contaminants in honey from plastic food packages, with dispersive liquid-liquid microextraction used as a preconcentration technique. Fifteen target compounds were quantified, and untargeted analyses identified various migrants in honey samples. The proposed method was deemed useful for quantification and identification of potential migrants from plastics in challenging samples like honey.
Plastic food packages usually contain additives which may migrate from the package into the food and then be ingested by the consumer, representing a risk for their health. In this study, targeted and untargeted analysis by gas chromatography-mass spectrometry (GC-MS) is proposed to monitor any contaminants of this type in honey. The application of dispersive liquid-liquid microextraction (DLLME) as a preconcentration technique allowed very low detection limits to be reached for all the substances. Fifteen target compounds, including styrene, phthalates, fatty acids, alkylphenols and bisphenol A, were quantified. Untargeted analyses were also carried out, allowing other migrants in the honey samples to be identified, such as two phthalates, four acids, three esters, one aldehyde, one hydrocarbon and two alkyl phenol compounds. The proposed method was seen to be a useful approach for the quantification and identification of potential migrants from plastics in challenging samples such as honey.
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