Abstract
When fish and other marine animals ingest microplastic pollution, the contaminants can end up in seafood. A new study reveals just how much and what types of microplastics may come with a serving of squid or sardines ( 2020, DOI: ). Francisca Ribeiro of the University of Queensland and the University of Exeter and her colleagues bought raw oysters, prawns, crabs, squid, and sardines from a fish market and prepared samples for testing by breaking down the edible parts with an alkaline solution. They then filtered the solids, extracted the plastics with a solvent, and used pyrolysis gas chromatography/ mass spectrometry to look for five common polymers in marine plastic waste. The team found that sardines had the highest concentration of microplastics (30 mg per 100 g serving) and squid the lowest (0.7 mg per 100 g serving). The team found polyvinylchloride in all the samples and polypropylene in all
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