Sweet potato, a kind of delicious food common to people, can be seen on the street as a roasted sweet potato vendor. Is it the favorite of many people to eat hot roasted sweet potato in winter? Roasted sweet potato on the street is delicious, but its safety is also very important.
There are many ways to eat sweet potato, such as steaming, boiling, baking, etc. many people like to eat the baked sweet potato sold by vendors, but Xiaobian suggests that if it's baked with waste paint barrels, it's better not to eat it. It may contain carcinogens harmful to human body.
Because these casks of roasted sweet potato are usually refitted with iron casks, there is no way to ensure their safety, because most of the iron casks were originally used to contain chemical raw materials such as gasoline, diesel oil, paint, etc. After modification, the sweet potato baked with it is likely to contain carcinogens harmful to health.
Benzene and arsenic are easy to remain in this kind of iron barrel. Benzene is volatile and easy to diffuse. Inhalation or skin contact with a large number of benzene into the body will cause acute and chronic benzene poisoning, long-term inhalation will damage the human nervous system. Acute poisoning can cause nerve spasm, even coma and death. However, long-term low-dose arsenic intake to a certain extent will lead to slow neurasthenia, manifested as multiple neuritis, insensitive feeling, numbness of extremities, even loss of consciousness, difficulty in action, dyskinesia and other diseases, and will easily lead to cancer.
In the process of baking, these harmful substances will be released with the increase of temperature. Entering the baked sweet potato has a great harm to human health. Although it was not felt at that time, no one can guarantee that eating such sweet potato often will affect our health. But some little friends like to eat this kind of "roasted sweet potato", so give us some "food" suggestions.
① If you think the baked sweet potato outside is fragrant, it is suggested that you eat less, and all good food should have a limit of quantity, so you can satisfy your food desire.
② It is suggested that you can make your own sweet potato food at home and use healthy cooking methods. Steaming and cooking are good choices. Especially for the elderly, cooking in congee is a good way. If you like to eat 'baked' sweet potatoes very much, it is suggested that you can use your own home oven to make them.
Eating taboo of sweet potato
1. People with gastrointestinal discomfort should not eat
Sweet potato produces acid in the stomach, so patients with gastric ulcer and excessive acid should not eat it.
2. Sweet potato with sprouting or black spot is not suitable for eating
Rotten sweet potato (with black spots) and germinated sweet potato can make people poisoned and inedible.
3. Not too much at a time
Sweet potato contains' gasifying enzyme ', do not eat too much at a time, and eat with rice noodles, and with pickled vegetables or order soup to avoid heartburn, sour water, stomach distention and exhaust.
4. Do not eat sweet potato raw
Sweet potato must be cooked thoroughly, because the cell membrane of starch in sweet potato, if not destroyed by high temperature, makes it difficult for human body to digest.