Most of the baked sweet potato stoves in the street are made of abandoned iron drums, some of which are gasoline drums or diesel drums, and some are chemical raw materials drums. Because these iron drums have not been thoroughly disinfected, the sanitary conditions cannot be guaranteed.
However, there are still many chemicals left in some iron drums, most of which are harmful to human body. Sweet potato will absorb a lot of chemicals in the iron drum after being baked at high temperature. Eating this baked sweet potato will do harm to the respiratory tract and nervous system. Baked sweet potatoes don't choke, but they should be fragrant, sweet and fragrant.
eutrophy
In the past, the older generation used to eat sweet potatoes as their staple food. In the past, materials were in short supply. Sweet potato is a home-cooked dish. Everyone likes to eat it, steam it and bake it. Especially when they smell the smell of baked sweet potatoes, they feel very happy and wait to eat. The heat of sweet potato will be higher than that of boiled sweet potato, because in the process of boiling sweet potato, the moisture in sweet potato will increase, thus achieving the effect of diluting some sugar.
However, in the process of baking sweet potato, the moisture in sweet potato will evaporate and the sugar will be concentrated, which leads to the relatively sweeter baked sweet potato, higher sugar index and higher calories, so the calories of baked sweet potato are higher than those of boiled sweet potato. During slimming, you can eat boiled sweet potatoes in moderation. Sweet potato is nutritious and full, which can replace some staple foods.