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A brand new study finds that the overwhelming majority of protein meals reminiscent of meat and fish are contaminated with microplastics.
The complete study, carried out by researchers on the nonprofit Ocean Conservancy, found that roughly 88% of protein samples examined contained microplastic particles.
“Highly processed products contained the most microplastics per gram,” the study stated in its findings. “Microplastic contamination did not differ between brands or store types.”
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The samples had been differentiated into 16 sorts, reminiscent of beef, hen, seafood, pork, tofu and plant-based meals merchandise.
Microplastic particles had been found throughout all 16 pattern sorts.
“Maximum U.S. adult exposure from these proteins is ∼3.8 million microplastics/year,” the study studies. “Mean U.S. adult exposure from consuming these proteins is >11,000 microplastics/year.”
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Microplastics are items of plastic that measure lower than 5 millimeters. Nanoplastics are even smaller, measuring lower than 1 micrometer.
Among the examined samples, roughly 44% of the microplastics found had been in the shape of fibers.
An further third of the particles had been in the shape of plastic fragments.
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The study, carried out in conjunction with the University of Toronto, notes that as a consequence of limitations on their detection strategies, the quantity of particles may very well be even larger.
“While our study significantly advances the understanding of MP prevalence in the human food system, there are some inherent limitations to our findings,” the study studies. “Due to the limit of detection associated with counting and identifying suspected MP particles under a microscope, our results pertain only to microplastics 45 μm and larger. This means that nanoplastics (NPs) and any MPs <45 μm are not included in our results.”
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