Spinach is one of the best sources of lutein, which is very effective in preventing "macular degeneration" caused by eye aging. At the same time, spinach is also a good source of vitamin B2 and beta carotene. When the former is sufficient, the eyes are not easily congested. The latter can be converted into vitamin A in human body, which helps to prevent dry eye. In addition, spinach is also rich in potassium, calcium and magnesium, which can help the eye muscles to enhance their elasticity and reduce the probability of myopia.

2, shepherd's purse

Shepherd's purse shepherd's purse is rich in nutrition, with high contents of vitamin C, carotenoids and various minerals. It is particularly worth mentioning that its calcium content is higher than that of milk with the same weight. Shepherd's purse also has certain medicinal value. Traditional medicine thinks it can be used to treat dysentery, enteritis, gastric ulcer and other diseases.

3. Lettuce; lettuce

Lettuce is rich in vitamins, calcium, magnesium and dietary fiber. Studies have found that a substance in lettuce can resist rhinitis caused by allergies in spring and relieve discomfort caused by allergies.

4. Toona sinensis

Toona sinensis is not only unique in fragrance, but also rich in minerals such as potassium, calcium and magnesium, and the content of B vitamins is also among the best in vegetables. In addition, Toona sinensis also contains volatile aromatic compounds such as toosendanin, which can strengthen the spleen and stimulate appetite. Because the content of nitrate and nitrite (converted from nitrate during storage) in Toona sinensis is high, it is best to blanch it before cooking.

5, leeks

Li Shizhen described leek as "the dish of the liver" because the liver governs hair growth, and leek is a warm food, which can help the liver promote hair growth. Moreover, leek contains volatile essential oil, sulfide and other special ingredients, giving off a unique pungent smell, which is helpful to regulate liver qi, stimulate appetite and improve digestive function.

Refer to the above? Kaifeng Health and Wellness Committee-Eat more than five kinds of vegetables in spring, try it early and keep healthy.