Topics
chemical analytics
July 4, 2023
Two groups of scientists analyze occurrence and migration of organophosphate esters (OPEs) from hundreds of Chinese plastic and paper food packaging; one study reports higher concentration of OPEs in plastics and migration of 15 out of 23 targeted OPEs; another study identifies presence of 42 and migration of 26 OPEs and identifies seven new compounds
Reading time: 4 minutes
April 20, 2023
Targeted analysis demonstrates widespread contamination of Chinese baby foods with traditional and novel antioxidants; plastic food packaging identified as one source; prevalent and high migration of 2,4-di-tert-butylphenol from different types of plastics
Reading time: 4 minutes
March 13, 2023
Scientists perform target and non-target screening of recycled plastics and provide recommendations on methods; detect >280 organic chemicals and metals in 21 plastic flakes and pellets used in recycling; analyze several recycled polymers and find polyethylene terephthalate (PET) the only one currently complying with European circular economy requirements; compare analytical methods to assess the chemical composition of recyclates giving their strenghts and limitations
Reading time: 7 minutes
March 7, 2023
Study determines toxicity and composition of 42 silicon rubber food contact articles; finds 84% of silicon kitchenware to induce endocrine activity; review gives update on the known endocrine disruptors phthalates and bisphenols with focus on detection methods and addressing regulatory concerns; study develops and applies method for phthalate determination in vegetable oils
Reading time: 4 minutes
February 27, 2023
Interlaboratory study evaluates protocol for consistent safety assessment of coated metal packaging materials; guidance comprises sample preparation, chemical and biological analysis; finds technical differences affect outcome; emphasizes need for aligned protocol to avoid inconsistencies
Reading time: 2 minutes
February 10, 2023
Review summarizes analysis and presence of oligomers in food contact materials (FCMs) made of polyethylene terephthalate (PET), polybutylene terephthalate (PBT), and polystyrene (PS) including challenges; study suggests ionic strength may influence migration of polyamide (PA) oligomers from PA FCMs
Reading time: 6 minutes
January 31, 2023
Scientists analyze volatile compounds in recycled high-density polyethylene (HDPE); detect 53 chemicals in two post-consumer HDPE milk bottles including plastic additives and non-intentionally added substances (NIAS); risk assessment shows samples do not comply with plastic food packaging regulation; report re-granulation process in mechanical recycling to remove most but not all odor and volatile organic compounds
Reading time: 4 minutes
January 19, 2023
Review summarizes per- and polyfluoroalkyl substances (PFAS) migration from paper food packaging into food and food simulants and identifies dietary exposure of PFAS as potential human health risk; study highlights need to further evaluate organophosphate esters (OPEs) and prohibited PFAS in paper and aluminum foil food packaging; scientists analyze and recommend extraction method to assess plasticizers in recycled paperboard
Reading time: 7 minutes
December 14, 2022
Scientists perform suspect and non-target analysis of organophosphate esters (OPEs) in 100 food contact materials (FCMs) in Southern China; identify 28 OPEs of which 18 were identified for the first time; find organophosphate antioxidants as one OPE source
Reading time: 4 minutes
November 1, 2022
Scientists publish creation and implementation details of The NORMAN Suspect List Exchange (NORMAN‑SLE); now openly available as a FAIR (Findable, Accessible, Interoperable, Reusable) chemical information resource; includes 99 suspect lists and 100,000 substances; new submissions are welcome
Topics: chemical analytics
Reading time: 2 minutes
