Potato, the scientific name of potato, also known as potato, yam egg and potato, is a solanaceae plant, belonging to the same family as eggplant. Sweet potato, the scientific name is sweet potato, also known as sweet potato, and there are also convolvulaceae plants called sweet potato. The familiar morning glory is convolvulaceae.

First, potatoes and sweet potatoes have different entrances.

1, potato

Potato cultivation began in South America 6,543,800 years ago, and then spread to Europe, Asia and Africa. In the world, potato is the fourth largest crop after rice, wheat and corn. Since/kloc-was introduced to China in the 0/7th century, China has become the largest potato producing area in the world, and also the country that consumes the most potatoes in the world, with an average of 40kg potatoes per person per year.

2. Sweet potato

Sweet potato originated in Central America. With the European colonists, sweet potatoes were brought to all parts of the world and came to China at the end of 16. At present, sweet potato ranks seventh among the world crops, and 89% of the world's sweet potatoes are produced in China.

Potatoes and sweet potatoes are rhizomatous plants, which seem to belong to the same family, but actually come from different families. Potato is a solanaceae plant, closely related to tomato and eggplant, while sweet potato is a convolvulaceae plant, closely related to morning glory.

Second, the nutritional competition between potatoes and sweet potatoes

1. First, compare macro nutrients. Compared with the two, potatoes have higher calories, but the protein content of potatoes is relatively high. Moreover, sweet potato has a high sugar content, so it tastes really sweet.

2. In terms of trace elements, both potatoes and sweet potatoes can provide important trace elements for human body.

3. The potassium content of potatoes is relatively high in vegetables, compared with other staple foods (wheat, corn, etc.). ), the phytic acid content in potatoes is less, which will not affect the absorption of iron and zinc (for details, please refer to the hyperlink on how to eat iron supplements).

Sweet potato is a big family of vitamin A. When it comes to vitamin A, we always think of carrots. In fact, the vitamin A content of 1 medium-sized sweet potato is equivalent to two carrots, which can meet the recommended amount of vitamin A for an adult all day. At the same time, there is quite a lot of vitamin C in sweet potato.

reference data

Potatoes (Potatoes)-Baidu Encyclopedia

Sweet Potato (Convolvulaceae)-Baidu Encyclopedia