Wutong yam [Shanxi Xiaoyi specialty]

What is wutong yam? Authentic Xiaoyi specialty of Shanxi: wutong yam? This article is a special article that introduces wutong yam, a special product of Xiaoyi in Shanxi Province. It was reviewed and edited by the editorial team of China Specialty Website, which collected relevant information about wutong yam. The reading time of the full text is about 6 minutes, mainly including the basic introduction of wutong yam and what is the nutritional value of wutong yam? What are the product characteristics of wutong yam? How did the history of wutong yam come from? How to make wutong yam and how to identify wutong yam? Wait

Wutong yam is a special product of wutong Town, Xiaoyi City. It has a long history of cultivation. Because its products are extremely white, crisp, easy to mature, have a lot of viscosity, are not easy to break, have sweet cotton in the mouth, and are rich in nutrition, they have been used as imperial tribute for a long time, known as "underground ginseng". In 2012, it was granted geographical indication protection for agricultural products in the People's Republic of China

What is the nutritional value of wutong yam

1. Yam contains only about half the calories and carbohydrates of sweet potatoes of the same mass, without fat, and has a higher protein content than sweet potatoes<2. The main component of yam is starch, and a part of it can be converted into starch decomposition product dextrin, which can help digestion. Therefore, yam is a raw taro food

3. Yam contains various trace elements, among which potassium has a high content, and the types and quantities of vitamins it contains are relatively small, with almost no carotene<4. The leaves of yam are an excellent source of carotene, as well as a good source of calcium, iron, and vitamin C

What are the product characteristics of wutong yam

"wutong yam", produced in wutong Town, Xiaoyi City, Shanxi Province, is a well-known local product with a long history of cultivation. According to historical records, large-scale planting began in the 15th century AD (during the Ming and Qing dynasties); In the Qing Dynasty, due to its extremely white meat, crispy texture, easy ripening, high viscosity, sticky threads that are not easy to break, sweet and mellow taste, and rich nutrition, its products were long used as tribute to the court and were known as the "underground ginseng"

How did the history of wutong yam come about

Loess tableland area and Pingchuan District of wutong Town have flat terrain, fertile land and good water conservancy conditions. Wutong Town has a temperate continental semi-arid climate with four distinct seasons. Spring has strong winds and little rain, summer is hot and rainy, autumn is cool and humid, and winter is cold with little snow. The annual average temperature is 9-10 ℃, and the average frost free period for many years is 175 days. The annual average precipitation is 450-500 millimeters, with rainfall mostly concentrated in July, August, and September, with the highest monthly rainfall reaching 91.5mm. The dominant wind direction is north and northwest, and strong winds above level 8 often occur in April. Wutong River system belongs to Fenhe River basin, mainly including Xiaohe River, Caoxi River, Baigou River and Wangma River, which are seasonal rivers. wutong Town is a water rich area, with abundant groundwater resources, with groundwater elevation of 735-770m. The produced yam has extremely white flesh, high viscosity, and a sweet and smooth taste when consumed

How to make wutong yam

Fried meat with yam

Materials

Main ingredients: yam, meat, agaric, pepper

Seasoning: vegetable oil, salt, chicken essence, cooking wine

Practice

1. Soak dry agaric in hot water

2. Cut the meat into pieces for standby, and cut the pepper into pieces

3. Slice yam and put it in the pan with hot water once, so that it will not be very sticky

4. Heat the pan with oil, and put the meat into the pan Stir fry and change color. Add cooking wine

5. Add chili fungus and salt

. 6. Add yam. Because the water is too high, it is cooked well. Stir

7. Add some water and chicken essence, and dish it out

How can wutong yam be identified

Selection of Yam

When choosing, yams of the same size and weight are better, while those of the same variety with more fibrous hair are better. Yams with more fibrous hair have a smoother texture and contain more yam polysaccharides. The nutrition is also better. Finally, looking at the cross-section, the meat of yam should be snow white in color, which indicates that it is fresh. If it is yellow and rust like, do not purchase it

If there are abnormal spots on the surface of the yam, it should never be bought because it may have been infected with diseases. It is also important to note that the cross-section of the yam should have mucus and the outer skin should not be damaged. Yam is afraid of freezing and heat. When buying yam in winter, you can hold it by hand for about 10 minutes. If the yam sweats, it means it has been frozen. When you break it open, the mucus in the cross-section of the frozen yam will turn into water, with a hard heart, red flesh color, and poor quality