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Can the skin of roasted sweet potato be eaten? Be careful of black spot sweet potato poisoning

Roasted sweet potato tastes better than boiled and steamed. Roasted sweet potato is a real delicacy. Are there many vendors selling sweet potato on the street every September? Can the skin of roasted sweet potato be eaten?

Can I have the skin of roasted sweet potato

It's better not to eat roasted sweet potato without skin, because the skin of sweet potato contains more alkaloids, and eating too much will cause gastrointestinal discomfort. Especially the sweet potato skin with black spots can not be eaten, which will cause poisoning.

Besides, many of the casks of baked sweet potato sold outside are paint and so on, which may be poisonous after being baked in high temperature, so it's better not to eat skin as much as possible.

Baked sweet potato can last for several days

Roasted sweet potato is actually a reasonable processing method. It does not introduce oil or sugar. It is quite a natural low-fat and high fiber food, and it can also retain its original characteristics that are helpful to prevent colorectal cancer.

It's better to eat the roasted sweet potato as soon as possible, and it's also delicious. After reheating, the sweet potato loses its original taste. I don't know if the starch has turned into sugar, but it's absolutely no sweetness! But it's OK to put it for 24 hours and then reheat it!

The harm of eating baked sweet potato often

Toxin from coal baking

Doctors said that the roasted sweet potato on the street is baked with burning coal. The roasting process is not only polluted by the toxic substances in the burning coal, but also put on the stove after baking. There are no dust-proof sanitary facilities, and once again it is polluted by many factors. When coal is burned, it will produce a lot of sulfur dioxide and carbon dioxide, as well as a variety of harmful substances. Some coal also contains radioactive substances, arsenic and other toxic and harmful substances. People eat these roasted sweet potatoes, will lead to chronic arsenic poisoning, serious people will damage the digestive and respiratory system.

Chemical barrel sweet potato stove

Because most of these casks of roasted sweet potato are casks for chemical raw materials, some of these waste iron casks are gasoline casks, diesel casks, and some are chemical raw materials casks, with chemical raw materials remaining in the casks. Many chemical raw materials contain ingredients that may harm human health. After high temperature, harmful gases are adsorbed on sweet potato. If benzene is contained in these chemical products, it will cause harm to respiratory tract and nervous system. After eating, you will feel headache and dizziness. Even if they were filled with edible oil before, the sanitation of these barrels could not be guaranteed because they were not thoroughly sterilized.

People who like to eat roasted sweet potatoes can go to the supermarket or vegetable farm to buy fresh and clean raw sweet potatoes with smooth skin. They can bake them in the microwave oven, and the white potatoes with half a jin can be cooked in 15 minutes. This roasted sweet potato is a complete 'rest assured sweet potato'.

Black spot sweet potato poisoning

In particular, we need to remind the roasted sweet potato lovers to pay attention to the fact that the vendors usually bake the sweet potatoes contaminated by the black spot bacteria together with the good ones. On the roasted sweet potatoes, the original obvious black spots are hard to see. Relevant experts said that the skin of sweet potato with brown and dark brown spots was infected by the 'black spot pathogen'. The toxin discharged by the black spot pathogen contains the sweet potato ketone and the sweet potato ketone alcohol. This toxin will make the raw sweet potato hard and bitter. It can not be killed by boiling, steaming or baking with fire. It is harmful to the liver after entering the human body. Patients with acute poisoning due to eating black spot sweet potato will have vomiting, diarrhea and other symptoms. Severe patients will have high fever, asthma, convulsion, hematemesis, coma and even death. In case of poisoning, it is necessary to induce vomiting, catharsis and send to hospital for treatment.