Of late, a joint research group comprising UK and Australian scientists released research findings after measuring the quantity of plastic particles inside sea creatures.
According to them, the contents of plastic remnants in tissues amounted to 0.04mg in squid, 0.37mg in lobster, 0.1mg in oyster, 0.3mg in crab and 2.9mg in sardine.
The scientists asserted that calculated by general average dietary intake, approximately 0.7mg of plastics enters the human body whenever oysters or squids are taken.
When sardines are taken, the plastic absorption is said to amount to 30mg, the equivalent of the weight of a grain of rice.
Plastic particles make their way into the human body through seafood and salt.
The faeces tests on people of eight countries in 2018 showed that a maximum of nine kinds of plastics was discovered from a person. Last year, a research result revealed that plastic residues were found in the blood and urine of juveniles.
And a recent research report said that even vegetables and other farm produce contain plastic particles.
People had already worried that plastic particles in soil might dissolve in irrigation water through secondary decomposition and contaminate crops. But they had also found solace in the thought that only plastics as small as 50nm could permeate plant cells.
Unfortunately, however, the new discovery proved that even those nearly 40 times bigger than the aforesaid size can penetrate the roots of crops.
A researcher who experimented on the roots of lettuce and wheat said: “There are small gaps around new offshoots of rootlets and plastic particles go into the gaps to penetrate the tracheas of plants. Therefore, the particles much bigger than those we used in the recent research may be absorbed by plants.”
According to scientists, if minute plastics are absorbed by crops, people’s everyday foods will also contain plastic particles.
“Imagine your blood contains plastic particles. And yet, will you keep throwing away plastic bags anywhere?” said an Indonesian environmentalist.
Facts warn the international community of danger from minute plastics generated by plastic waste.
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