You can eat sweet potatoes overnight or cold as long as they are not bad.
Sweet potato is rich in starch, carotene, potassium, iron and other trace elements 10, which can protect the structural integrity of human epithelial cells, inhibit virus activity, block the generation of nitrosamines in gastrointestinal tract, eliminate the toxic effects of mercury, cadmium and arsenic in food or environment, and block the carcinogenic process of toxic metals. Therefore, sweet potato is called a healthy food with the most balanced nutritional value.
Eating sweet potatoes regularly helps to maintain the normal folic acid level of the human body, and low folic acid content in the body will increase the risk of cancer. Sweet potato has high dietary fiber content, which can promote gastrointestinal peristalsis and prevent constipation and colorectal cancer. Sun-dried sweet potato chips also have anti-cancer effects.
In addition to losing weight and fighting cancer, sweet potato can also effectively prevent bone calcium loss. In addition to calcium, sweet potato also contains a lot of potassium and magnesium, which can maintain the ion balance in the body and slow down the loss of calcium caused by age. In addition, the calorie of sweet potato is only 1/3 of that of rice with the same weight, and it contains almost no fat and cholesterol; At the same time, it can effectively prevent sugar from transforming into fat, which is beneficial to weight control.