Microplastic in drinking water
Above, we figured out how plastic particles get into the human body. Now we’ll try to understand whether it is harmful to humans and what the consequences are.
Fish is an important food for humans. Microplastics that are absorbed by fish and seafood are consumed by humans as one of the links in the food chain. More than 90% of fish contain microplastic implanted in the body fibers. Particles are also found in most samples of sea salt and water samples, including surface, bottled and tap.An advance water filter or home is required for this.
The Washington-based independent journalistic group Orb and the University of Minnesota School of Public Health conducted water samples on five continents. As a result, it was found that in 80% of the tap water samples , micro plastic particles were detected , and the maximum pollution is typical for water in the USA.
Then Orb conducted a study of bottled water in conjunction with the State University of New York. In 250 bottles from 11 brands, plastic contamination was detected, including polypropylene, nylon and polyethylene terephthalate (PET), an average of 314 particles per liter. Micro plastic in bottled water exceeds the values for tap and surface by 1.5 to 3 times.
Environmental impact of microplastics:
According to a review of scientific data published in 2019 by SAPEA , microplastics are found in all areas of the environment – in fresh and sea water, air, and soil. As we wrote above, at the moment the problem is relevant, but not global. But with today’s approach to production over the course of a century, it will become one.
- The increase in the content of microplastics in water bodies and oceans, the size of its particles, as well as chemical properties determine its bioavailability for microorganisms.
- It is proved that almost all marine microorganisms and algae in the analysis contain microplastics inside or on the surface. In this way, they enter the food chain.
- They penetrate the tissues of microorganisms by ingestion and inhalation. It is scientifically proven that, for example, roundworms (Arenicola marina) contain microplastics that are embedded in the tissues of the gastrointestinal tract, and in a wide range of crustaceans they are common in the respiratory and digestive tracts.
- Also, microplastics can adhere to the surface of algae and corals, slowing down development and preventing surface cleansing, which shortens the life span.
- Then they are absorbed by large fish and animals. And later a man.
- The cycle of passage of microplastic through the body of an animal can reach 14 days, but when fixed in gills, microplastics are not eliminated at all. It is worth noting that in most samples of large fish, such as tuna, its samples were found. Accordingly, a person consumes them with food.
- Fish is an important food for humans. Microplastics that are absorbed by fish and seafood are consumed by humans as one of the links in the food chain. More than 90% of fish contain microplastic implanted in the body fibers.
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