1. Toxin from coal baking: The doctor said that street baked sweet potatoes are baked from burning coal. The baking process is not only contaminated by the toxic substances in the burning coal, but it is put on the stove after baking and there is no protection against it. Dust sanitation facilities are once again contaminated by various factors. When coal is burned, it will produce a large amount of sulfur dioxide and carbon dioxide, but also produce a variety of harmful substances, and some coal also contains radioactive substances and arsenic and other toxic and harmful substances. People who eat these roasted sweet potatoes can cause chronic arsenic poisoning, and severe cases can damage the digestive and respiratory systems.
2. Chemical barrels change into sweet potato ovens: As traders, most of the barrels of baked sweet potatoes are filled with chemical raw materials. Some of these waste iron buckets are gasoline cans, diesel cans, and some are chemical raw material barrels. Chemical materials remain in the barrels. Many chemical raw materials contain ingredients that may harm human health. After the roasted sweet potatoes pass the high temperature, the harmful gases are adsorbed on the sweet potatoes. If these chemical products contain benzene, they will cause harm to the human respiratory and nervous system. After eating, there will be headache and dizziness. Even if the oil was previously loaded, these barrels cannot be protected because they have not been thoroughly sanitized.
3. Dark Spotted Sweet Potatoes Poisoned: In particular, it is necessary to remind roasted sweet potato lovers that hawkers generally place sweet potatoes contaminated with Alternaria purpurea with good sweet potatoes and bake them on the baked sweet potatoes. The dark spots are hard to see. Experts said that the brown and dark brown spots of the sweet potato skin are infected by the "black spot pathogen". The toxins emitted by the black spot pathogens contain sweet potato ketone and sweet potato keto alcohol. This toxin will make raw sweet potatoes hard and fat. Bitter, boiled, steamed, or broiled with fire, etc. cannot be killed and is harmful to the liver after entering the body. Patients who suffer from acute poisoning due to eating dark spotted sweet potato will have symptoms such as vomiting and diarrhea. Severe persons may develop high fever, wheezing, convulsions, vomiting blood, coma, and even death. If poisoning is found, it should induce vomiting, catharsis, and emergency hospital treatment.
People who like to eat roasted sweet potatoes can go to supermarkets or food markets to buy fresh, clean, sweet raw sweet potatoes. They can use microwave ovens to bake them, and a half a catty of sweet potatoes can be cooked for 15 minutes. This kind of roasted sweet potato is completely "relaxed sweet potato."
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