The basal leaves of Chinese cabbage are obovate or broadly obovate, 20-30 cm long, solid, dark green and shiny, and the base gradually narrows to a wide stalk. The whole edge may have inconspicuous rounded teeth or wavy teeth (small burrs). The midrib is white. Width 1.5cm, with multiple longitudinal veins. Petiole 3-5 cm long, with or without narrow edges.
Chinese cabbage is the most abundant vegetable in minerals and vitamins. Compared with Chinese cabbage, Chinese cabbage contains twice as much calcium, about three times as much vitamin C and 74 times as much carotene.
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The minerals calcium and phosphorus contained in Chinese cabbage can promote bone development, accelerate human metabolism and enhance the hematopoietic function of the body. It is also rich in vitamin B 1, vitamin B6, pantothenic acid and so on. , can relieve mental stress. Eating more cabbage before the exam helps to keep a calm mind. Chinese cabbage also contains anti-allergic vitamins, which helps to eliminate urticaria.
Chinese cabbage likes cold and cool, and is resistant to low temperature and high temperature. It can be planted and sold almost all year round. However, considering palatability, safety and nutrition, 1 month, February and March are the best seasons for Chinese cabbage.
When the temperature is low in winter, the carbohydrate of Chinese cabbage is converted into sugar, and the content of oil and fat is increased, and the contents of soluble protein, unsaturated fatty acids and phospholipids are increased, thus improving the drought tolerance. For consumers, it is more nutritious, soft and delicious, fragrant and delicious, and sweet.
Chinese cabbage can be boiled, fried, made into soup or cold. The nutritional value of Chinese cabbage is similar to that of Chinese cabbage. It contains protein, fat, sugar, dietary fiber, calcium, phosphorus, iron, carotene, vitamin B 1, vitamin B2, nicotinic acid, vitamin C and so on. Among them, the content of calcium is high, which is almost 2 ~ 3 times that of Chinese cabbage.
People's Network-Four Functions of Chinese Cabbage Health Care