Malachite green is a kind of green crystal with metallic luster. It is easy to decompose when light is visible, soluble in water, and the solution is blue-green. However, its color metabolism is very fast, it is used on fish, and it becomes colorless in a few hours, so it is difficult to distinguish with the naked eye. Farmers mainly use it to control fish water mold and prolong the storage and storage time.
Behind the beautiful name of "Malachite Green" is the endless "killing machine". The National Toxicology Research Center of the United States found that mice were given colorless malachite green for 104 weeks, and their liver tumors increased significantly. The experiment also found that malachite green can cause liver and kidney, heart, spleen, lung, eyes, skin and other organs and tissues to be poisoned. According to experts, malachite green has high toxins, high residues, carcinogenicity, teratogenicity, mutagenic and other side effects. It has a long residual time in the human body and is harmful to the human body. Some people, although not much intake, will not have obvious symptoms of poisoning, but when the malachite green is accumulated to a certain extent, it may cause various diseases.
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