UNITED STATES, WASHINGTON (OBSERVATORY) — After conducting experiments, researchers have shown that plastic tea bags release billions of microparticles when immersed in hot water.
A team of scientists from McGill University in Canada discovered that plastic tea bags released billions of microparticles when they were plunged into 95-degree water.
According to the study, satin plastic tea bags used in place of traditional paper bags can contain up to 11.6 billion microplastic particles, and 3.1 billion nanoplastic particles.
To analyze them, the researchers extracted the contents of the tea bags from four brands and carefully rinsed them with clear water to eliminate any contaminated elements.
Then the scientists brewed them in 95-degree water for five minutes. Finally, they proceeded to the counting of the plastic particles under an electron microscope.
The results showed that tea bags decompose on contact with hot water, releasing about 11.6 billion microparticles of the size of dust grains, and 3.1 billion nanoparticles.
Scientists also conducted another experiment: they placed water fleas, called Daphnia magna, in the one containing the submerged bags to determine the acuity of the toxicity of the chemicals. And it turned out that the daphnids had anatomical abnormalities.
However, the impact of these particles on human health is still unknown.
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