A review on per- and polyfluorinated alkyl substances (PFASs) in microplastic and food-contact materials.

Barhoumi, Badreddine, Sander, Sylvia G. and Tolosa, Imma (2022) A review on per- and polyfluorinated alkyl substances (PFASs) in microplastic and food-contact materials. Environmental Research Letters, 206 . Art.Nr. 112595. DOI 10.1016/j.envres.2021.112595.

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Abstract

Plastic, paper and cardboard are widely used as food contact materials (FCMs), due to its numerous favourable characteristics. However, they are usually coated with hazardous substances, such as per- and polyfluorinated alkyl substances (PFASs). PFASs, with its functional properties of oil- and water-repellency, can migrate from FCMs into the food and cause potential risk to human health. There are also increasing concerns about the harm that FCMs can cause to the environment. These concerns include accumulation of non-degradable plastics in the environment, generation of microplastics (MPs) and nanoplastics, and release of PFASs from FCMs. While many reviews have been conducted on PFASs in the environment, including their occurrence, fate, toxicity, biodegradation, migration in ecosystems and remediation technologies, a systematic review of PFASs in FCMs and MPs is currently lacking. In addition, our knowledge of the PFAS sorption processes on MPs is rather limited, and in particular their desorption processes. Thus, this review aims to (1) review the presence of various classes of PFASs in FCMs and their migration into food, (2) review the PFASs in MPs and summarize the sorption mechanisms, and factors that influence their sorption behaviour on MPs in the aquatic environment, and (3) identify the current research gaps and future research directions to predict the risks associated with the presence and sorption of PFASs in FCMs and MPs.

Document Type: Article
Keywords: PFAAs, Precursors, FCMs, Migration, Sorption, Microplastics
Research affiliation: OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-MUHS > Marine Mineralische Rohstoffe
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-MUHS
Main POF Topic: PT8: Georesources
Refereed: Yes
Open Access Journal?: No
Publisher: IOP
Date Deposited: 06 Jan 2022 09:13
Last Modified: 07 Feb 2024 15:50
URI: https://oceanrep.geomar.de/id/eprint/54721

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