Why you should throw away your non-stick pan the second it cracks

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Why you should throw away your non-stick pan the second it cracks
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One surface crack on a Teflon-coated pan releases about 9,100 plastic particles, which could contaminate food.

, the authors simulated the cooking process with different non-stick pots and pans using turners made of different materials, like steel or wood. They found that non-stick cookware mainly coated with Teflon may release about 9100 plastic particles during the cooking process if it has a surface crack. Should something break the coating, around 2,300,000 microplastics and nanoplastics may be released and potentially find their way into food.

The authors quantified the release of plastic particles from non-stick cookware by scanning the surfaces of different non-stick pots to generate data. The data was then converted to an image using three algorithms to visualize the microplastics and nanoplastics directly, says Cheng Fang, senior research fellow in the Global Centre for Environmental Remediation at the University of Newcastle in Australia, who was involved in the study.

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