1, the ingredients in common fresh potatoes are: starch 9-20%, protein1.5-2.3%, fat 0.1.1%,and crude fiber 0.6-0.8%.

2. Sweet potato is a natural nourishing food with complete nutrition, rich in protein, fat, polysaccharide, phosphorus, calcium, potassium, carotene, vitamin A, vitamin C, vitamin E, vitamin B 1, vitamin B2 and 8 kinds of amino acids.

According to the analysis of scientists, its protein content is more than 7 times that of rice; The content of carotene is 3.5 times that of carrot; The content of vitamin A is 100 times that of potato; The contents of sugar, calcium, vitamin B 1 and vitamin B2 are higher than those of rice and flour.

Second, the appearance is different:

1, appearance of potato:

2, the appearance of sweet potato:

Third, the distribution area is different:

1, potatoes are distributed in Asia, North America, South Africa and Australia.

2. Sweet potatoes are widely distributed in tropical and subtropical regions.

Baidu Encyclopedia-Potato (Potato)

Baidu Encyclopedia-Sweet Potato (Sweet Potato)