Scientists report most large companies commit to reducing plastic pollution but focus on recycling; extrusion of recycled materials and legacy compounds in recycled materials as safety challenge; some substances increase others decrease with the increase in recycled content in polyethylene terephthalate (PET) bottles; tentatively identify 212 volatile chemicals in 57 different recycled PET flakes available in China; present migration model to characterize the exposure and risk of PET oligomers
New research on chemical migration from plastic, paper, can coating, and reusables
Recent reports investigate whitening agents’ migration from disposable plastic containers; characterize 153 chemicals migrating from paper packaging and show estimated dietary exposure for children to per- and polyfluorinated alkyl substances (PFAS) exceed safety threshold; detect brominated flame retardants in repeat-use food contact articles; review metal can coating literature concerning coatings types, chemical migrants, detection methods, dietary exposure, and regulatory
Studies investigate circular economy barriers, consumer perceptions
Recent set of articles in peer-reviewed scientific journals review current barriers in flexible plastics to achieving circular economy, recommends regulatory policies be tailored to individual steps in supply chain; consumers easily confused by plastic waste management system, recycling processes, biodegradability claims; researchers instead propose food system shift towards decentralization, shorter supply chains
Measuring plastic particles released from food packaging and in human lungs
Scientists investigate plastic particles released from store-bought food packaging as well as human and mice health impacts of exposure; report single-use plastic products release >1012 nano-sized particles during use; find microplastics to suppress lysosomal activity in mouse macrophages; first detection of microplastics within human lung tissue samples; in vitro neurotoxicity study finds microplastics negatively impact human forebrain organoid development
BPA still in food cans
Extensive analysis in the U.S. and Canada finds most food cans still coated with BPA-based epoxy; BPA-free alternatives may be questionable
Properties of rPET-containing bottles
Scientists examine effects of recycled PET (rPET) on bottles’ properties, propose generic model to calculate acceptable rPET content for different scenarios; bottles from mono-collection systems have less particle contamination, more favorable optical properties, lower accumulation of contaminants, and therefore recommended to allow higher recycled content
Scientists evaluate inhaled microplastics
Report microplastics occur in lower airways of European citizens with the majority being fibers; evaluate microplastics indoor and outdoor exposure sources; work out established particle domains and paradigms can help predict toxicity of inhaled microplastic particles
A vision for safer food contact materials: Public health concerns as drivers for improved testing
Microplastics: linkage to the gut's microbiome and autism spectrum disorder
Scientific study reports that gut passages change polyethylene terephthalate (PET) microplastics morphology and alter human microbial colonic community composition; another study finds polyethylene (PE) microplastics to accumulate in the brain and induce autism spectrum disorder-like symptoms using a mouse model
Scientists explore international bisphenol levels in packaging, food, and urine
Four studies investigate bisphenol (BP) migration from packaging, occurrence in foodstuff, and human urine; report BPA migration from Nigerian epoxy-coated cans into malt drinks; detect four bisphenols in packaged water and honey samples; find BPS in Canadian meat products from 2008 to 2020 suggesting BPS is not a recent phenomenon; measure higher bisphenol alternative levels in Belgian population in 2018 than 2015