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- W2339865514 abstract "The production of poly(ethylene terephthalate) (PET) bottles grows progressively, and to prevent damage to the environment, recycling is a solution, generating the food grade post-consumer recycled PET (PET-PCR). From packages it is possible the migration of substances to food, causing risk to consumer health. The present study aimed to determine the possible contaminants in the PET-PCR, and propose a simple and practical methodology capable of assessing the presence of these contaminants, especially acetaldehyde, which is the main contaminant of toxicological relevance. Bottle samples used were cut into flakes made of 100% recycled PET resin. The methodology uses gas chromatography with DB-624 column, flame ionization detector and headspace sampling. Acetaldehyde was identified in the PET-PCR. To confirm this result it was used gas chromatography with headspace and mass selective detector, which also showed the presence of ethanol, 2-butenal, butanal, linoleic acid and oleic acid. Acetaldehyde has high mutagenic and carcinogenic potential. So its production, and their derivatives, should be prevented and monitored during PET-PCR- processing to avoid that those toxic substances reach concentrations of risk to consumer health." @default.
- W2339865514 created "2016-06-24" @default.
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- W2339865514 date "2013-01-01" @default.
- W2339865514 modified "2023-10-07" @default.
- W2339865514 title "DETERminAçãO DE ACETAlDEíDO E COnTAminAnTES Em EmBAlAGEnS DE PET PóS- COnSumO RECiClADO DETERminATiOn OF ACETAlDEHYDE AnD COnTAminAnTS in PACKAGinGS OF POST COnSumER RECYClED PET" @default.
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- W2339865514 hasPublicationYear "2013" @default.
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