Mustard mustard tuber: There are more than a dozen fat stems with big leaves at the lower part of the aboveground part, and there are tumor-like fleshy stems at the base of the petiole of big leaves, with obvious tumor-like processes. The epidermis of the tumor stem is green and smooth, and the flesh under the skin is white and fat. Children's vegetables: the stems are thicker and the axillary buds are more developed. The fleshy axillary bud is its main edible organ, which is generally tower-shaped and the top of the bud is blunt and round. The weight ratio of main stem to fleshy axillary bud is about 65,438+0: 4.

First, the difference between mustard tuber and mustard tuber

1, different categories

(1) mustard tuber mustard tuber is a family of angiosperms, a dicotyledonous plant, mostly a herb, and a kind of mustard tuber, which generally refers to leaf mustard tuber, such as mustard tuber, tofu skin mustard tuber and pig blood mustard tuber. Pickled mustard tuber is a semi-dry non-fermented pickle, which is one of the famous products in China. It, together with German sweet and sour cabbage and French pickled cucumber, is called the three famous pickles in the world.

(2) Ercai generally refers to Erzi mustard, which is a variety of Brassica mustard in Cruciferae. It is a unique vegetable crop in China. Its short stems and axillary buds are edible and have high nutritional value. It has the unique fragrance of Cruciferae plants, mainly fresh food.

2. Different morphological characteristics

(1) mustard tuber mustard tuber is an aboveground stem with more than a dozen big leaves. The petiole base of the big leaf has a tuberous stalk with obvious tuberous processes. The epidermis of tuber stalk is turquoise and smooth, and the meat under the skin is white and plump, so it is called? Mustard tuber? .

(2) The stems of the two vegetables are thicker and the axillary buds are more developed. Its fleshy axillary bud is its main edible organ, which is generally tower-shaped and the top of the bud is blunt and round. The weight ratio of main stem to fleshy axillary bud is about 65,438+0: 4. Axillary buds overlap on the stem in a pagoda shape. It is a biennial vegetable that likes warm, cool and wet, with strong growth potential, and the total number of leaves is about 30.

3. Different planting areas

(1) mustard tuber has developed to more than 30 cities and counties in Sichuan province, and it is also produced in Zhejiang, Jiangsu, Fujian, Hunan, Shanghai, Guangxi, Taiwan Province and other provinces (cities and autonomous regions).

(2) The planting area of Ercai was initially limited to Sichuan Basin (Sichuan-Chongqing area), and then gradually developed to the middle and lower reaches of the Yangtze River and surrounding areas such as Yunnan, Guizhou, Hunan, Hubei, Jiangxi, Anhui, Zhejiang, Jiangsu and Shanghai.

Second, the nutritional value of pickled mustard tuber and pickled vegetables

1, mustard tuber contains protein, carotene, dietary fiber, minerals, etc. It also contains 17 kinds of free amino acids such as glutamic acid, aspartic acid and propionic acid, among which? Natural msg? It is rich in chemical components that produce umami flavor, and the flavor is stronger after pickling and fermentation.

2. Two dishes are rich in calcium, iron, phosphorus and vitamins. The contents of calcium and phosphorus are among the highest in all kinds of vegetables, and the contents of thiamine (VB 1), riboflavin (VB2) and nicotinic acid (VB3) are also very high. The two vegetables have green leaves and green and white stems, which are very attractive, tender, slightly sweet and crisp.