Abstract
Recycling systems are unable to remove efficiently all potential contaminants acquired along the recycling chain. Therefore, contaminants may potentially exist in recycled food packaging. The safety of recycled cellulose food-contact materials depends on the toxicity and the ability of post-consumer contaminants to be absorbed by recycled fibers released by the packaging and ultimately absorbed by the food. Furthermore, the migration of different contaminants is related to their levels of contamination, structures and chemical affinity with cellulose fibers. In this study, twenty samples of cellulose packages available in the Brazilian market were evaluated regarding migration of phthalates (dibutyl phthalate – DBP, diisobutyl phthalate – DIBP and bis(2-ethylhexyl) phthalate – DEHP) and 2,6-diisopropylnaphthalene – DIPN into fatty food simulant using GC-FID. Fifty percent of the cellulose packaging samples showed no migration of DIPN or of any phthalates evaluated, whereas 20% showed migration of DIBP, 15% migration of DBP and 40% migration of DEHP.
Highlights
IntroductionPackaging recycling is critical to circular economy. is related to their levels of contamination, structures and Recycling cellulose packaging (paper, cardboard and chemical affinity with cellulose fibers.corrugated paperboard) is a traditional practice in Brazil
Packaging recycling is critical to circular economy. is related to their levels of contamination, structures and Recycling cellulose packaging is a traditional practice in Brazil
This range was selected due to the requirement to ensure linearity at a working range where the specific migration limit – SML – of the phthalates was inserted in the curve
Summary
Packaging recycling is critical to circular economy. is related to their levels of contamination, structures and Recycling cellulose packaging (paper, cardboard and chemical affinity with cellulose fibers.corrugated paperboard) is a traditional practice in Brazil. Is related to their levels of contamination, structures and Recycling cellulose packaging With the use to prevent risks to food safety, since recycling systems are of recycled paper and cardboard in food contact materials unable to eliminate all potential contaminants efficiently. TDI is an estimate of the the potential presence of contaminants in amount of a substance that a person can ingest daily during the recycled packaging exists. Such contaminants may his/her lifetime without any significant risks to health[9]
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