Burgers, fries, tacos and pastries come wrapped in grease-proof paper and boxes that often contain non-stick chemicals that may be able to leach into food, US researchers said Wednesday.
The study in the journal Environmental Science and Technology Letters tested more than 400 samples from 27 fast food chains in the United States. Almost half of paper wrappers and 20 percent of paperboard samples — such as boxes for fries and pizza — contained fluorine, a marker for highly fluorinated chemicals used in stain-resistant carpets, non-stick cookware and waterproof outdoor apparel.
“Wrappers for Tex-Mex food, desserts and breads were the most likely to contain fluorine,” said the report.
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