1, sweet potato, also known as cold potato or shage, is eaten with its underground root tuber, which can be eaten raw or cooked, but its seeds and rattan leaves are toxic and inedible. Sweet potato has a round head and a sweet potato face. It is crispy and refreshing when peeled and eaten raw, like eating pears or water chestnuts, so it is also called sweet potato pear. In the south, it is called sweet potato.

2. The water content of potato is very high, and the taste is slightly sweet, which is more detailed than the meat quality of water chestnut. Among them, the big, long, round and flat potato with smooth skin tastes sweeter. In the south, sweet potatoes are usually eaten raw as fruits, or mixed with sugar or honey. Many southerners also use it for cooking, but cooking is generally vegetarian, and the fried potatoes are sweeter.

3. The vitamin C content of potato is similar to that of carrot, and it contains more trace elements, which can play a certain role in lowering blood pressure and blood lipid. Sweet potato is cool and has the function of clearing heat, which is more suitable for eating in summer, but people with bad stomach should heat it. Its sugar content is not high, so diabetics can eat a little, but not much.

4. The seeds of sweet potatoes contain rotenone analogues, which are highly toxic and mainly used to make pesticides. Although the concentration is not high, it is very active, and it will be fatal if people eat it by mistake.