550 and 681 microplastic particles per kilogram of table salt

Photo: Dubravko Sorić, Wikimedia Commons

Scientists have discovered that various brands of table salt sold in China contain a range of plastic pollution, which might make food unsafe.

The highest proportion of plastic was found in sea salt, according to a paper from researchers at Shanghai’s East China Normal University. But even salt from salt mines, briny lakes, and wells contained significant amounts.

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“Microplastics are a particular threat to organisms due to their small size and their capacity to absorb persistent organic pollutants,” said the report, led by Shi Huahong of the university’s Institute of Estuarine and Coastal Research and peer-reviewed in Environmental Science and Technology.

Full report at THE ATLANTIC

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