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Speaking of plastic particles, Wang Hui, a researcher at the Institute of Nutritional Sciences, Shanghai Institute of Bioscience, Chinese Academy of Sciences, told reporters: "Plastic particles generally refer to plastic fragments ranging from micron to millimeter, mainly from larger plastic materials (such as marine debris). Physical, chemical, and biological processes cause fragmentation and fragmentation into small particles, which are currently becoming an important source of environmental pollution in the ocean. Plastic particles in salt may be derived from environmental pollution from salt, and may also come from salt processing, drying, and Contamination during the packaging process."

“The massage granules of facial cleanser and the friction-increasing ingredients in toothpaste are all.” Zhu Yi, an associate professor at the College of Food Science, China Agricultural University, pointed out that the amount of plastic particles is large and has always existed, but no one has done relevant research before. "Plastic particles have not been used as an indicator of risk monitoring, and there is no quality inspection standard for it worldwide." Zhu Yi added.

The harm that this substance may cause to the human body is naturally the focus of many people. Wang Hui told reporters that plastic particles in the ocean are usually ingested by marine animals and enter the human body through the food chain. Animal experiments have found that plastic particles can enter tissue cells due to their small particle size, accumulate in animal organs, causing inflammatory reactions, leading to liver damage and endocrine disorders.

When talking about possible harm to the human body, Luo Wei, an associate researcher at the Institute of Medicine, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, pointed out that “there must be a concept of quantity.” When many substances do not accumulate to a certain amount, they will not If it causes damage to the human body, it may cause damage when it accumulates a certain amount, and this damage also varies from person to person.

"The toxicity is acute toxicity and chronic toxicity. This should be chronic toxicity. If it is exposed for a long time, it may cause harm to the body. This is a concept of our environmental exposure group." Luo Wei explained, "This kind of The substance is an endocrine disruptor and has a certain influence on the human endocrine system. If many components of plastic enter the human blood and reach a certain concentration, it may cause harm to the human body."

These plastic particles, like smog particles, enter the body's circulatory system. Zhu Yi explained that "the particles enter the human body and there will be some uncertainty, which requires further research."

"This has sounded the alarm for us, but we should still dialectically look at this issue." Luo said so.

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