Open classification: plants, sweet potatoes, sweet potatoes.

Sweet potato (also known as sweet potato, sweet potato, sweet potato, mushroom, sweet potato and grandma Sha) has different names, such as sweet potato, cold potato, kudzu vine, kudzu vine, turnip (Records of Chinese Medicinal Plants), grass melon shavings (Luchuan Materia Medica), shage, turnip (Jiangxi Materia Medica Manual) and so on.

The northern region mainly refers to sweet potatoes (sweet potatoes, sweet potatoes); In some places in the south, potato is a different variety.

Sweet potato: Convolvulaceae, an important cultivated species of sweet potato, also known as sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, red soil potato. Sweet potato is native to Peru, Ecuador and Mexico in South America. Sweet potato is cultivated in11countries or regions all over the world because of its wide adaptability, strong reproduction, simple cultivation, high and stable yield, rich nutrition and wide use, among which 10 1 belongs to developing countries. The first batch of sweet potatoes in Europe was brought back by Columbus in 1492, and then introduced to Africa by Portuguese and Asia by Pacific islands. Sweet potato was first introduced to China in Wanli period of Ming Dynasty. At that time, Chen Zhenlong, an overseas Chinese in Fujian, often went to Luzon (now the Philippines) to do business, and found that the yield of sweet potatoes produced in Luzon was the highest, so he patiently learned the planting methods from local farmers. Later, after the promotion of the Chen family, sweet potatoes were widely planted all over the country. Its main origin is located in the south of 40 north latitude. At present, the total output of sweet potato ranks seventh in the world, and it is predicted that it will rise to the fifth largest grain in the world in 2 1 century. The total planting area of sweet potato in the world has been stable at about 9.4 million hectares in recent years, and the total output is about 65.438+0.3 billion tons. Among them, Asia is the most important sweet potato producing area in the world, with planting area and total output exceeding 80% and 90% of the world respectively.

Sweet potato has been planted in China for more than 400 years. According to historical records, sweet potato cultivation is widely distributed, starting from the South China Sea Islands in the south, reaching Inner Mongolia in the north, reaching Shaanxi, Longnan and Xinjiang in the northwest, extending to the south of Heilongjiang in the northeast via Liaoning and Jilin, and reaching southern Tibet and Yunnan-Guizhou Plateau in the southwest. Sichuan basin, Yellow River basin, Yangtze River basin and southeast coastal provinces are the main sweet potato producing areas in China.

At present, the total planting area of sweet potato in China is about 6.2 million hectares, and the total output is stable at more than 654.38 billion tons, accounting for 70% and 80% of the world respectively. China has become the largest producer of sweet potatoes in the world. Among the main crops in China, sweet potato ranks fourth after rice, wheat and corn.

, contains a variety of vitamins, each 100 grams contains vitamin B 10. 12 mg, vitamin B20.04 mg, vitamin C30 mg, calcium 18 mg, phosphorus 20 mg, iron 0.4 mg, nicotinic acid 0.5 mg, crude fiber 0.5 g and carbohydrate 29. 5 grams, protein 655 mg. Has the functions of harmonizing middle energizer, promoting diuresis and invigorating spleen. Traditional Chinese medicine believes that sweet potato is a kind of diet food for promoting diuresis and strengthening the spleen.

Sweet potato has the function of moistening intestines, which can reduce fat absorption. Eating sweet potato can increase satiety and reduce appetite, thus achieving the goal of losing weight.

Here are some ways to eat sweet potatoes:

1. Steamed sweet potato

Ingredients: 500 grams of raw sweet potato.

Method: Wash the sweet potato, add some water to the steamer, put the sweet potato on the drawer, cover it and steam for 40 minutes.

2. Sweet potato glutinous rice porridge

Ingredients: 200g sweet potato, 50g japonica rice.

Methods: Wash the sweet potato, cut it into irregular small pieces, wash the japonica rice, put the rice into the pot as usual and cook it into porridge, and eat it every morning and evening.

3. Dried sweet potato

Material: sweet potato 1000g.

Method: Wash the sweet potato, steam it in a pot, let it cool, cut it into thick strips with a knife, and put it on the curtain to dry. Pay attention to ventilation and keep it out of direct sunlight. It will be available in January.

4. Fried sweet potato chips

Ingredients: 200g sweet potato, a little oil.

Methods: Heat the pan on fire, apply a layer of oil, clean the sweet potato and cut it into pieces of about 1 cm, put it in the pan and fry it until it is brown, then turn it over and fry it until it is brown and the melon slices become soft.