Also called watercress and watercress, they are common in southern China such as Guangdong and Guangxi, and can be eaten all year round, especially from early winter to late spring. British research has confirmed that watercress is rich in antioxidants and can kill free radicals. Eating before exercise can enhance the fitness effect.

2. Green cabbage.

Belonging to Cruciferae, it is rich in vitamin B 1, vitamin B2, vitamin C, dietary fiber and minerals such as calcium, phosphorus and iron, and has the functions of enhancing immunity and detoxifying. It is worth noting that the nutrients in the outer leaves of Chinese cabbage are much higher than those in Chinese cabbage.

3. Beets.

Beet root is rich in vitamin C, vitamin K, dietary fiber and polyphenols, which are beneficial to heart health, and can lower blood pressure and blood lipid. However, beetroot has a high sugar content, and eating too much is not good for controlling blood sugar, so it should be moderate.

4, beef skin dishes.

Cowhide is another variety of beet. Beets pay attention to eating roots, while cowhide pays attention to eating leaves. However, their nutritional characteristics are very similar. Beet leaves contain a lot of dietary fiber, vitamin C, beet red and other antioxidant substances, which can not only reduce inflammation in the body, but also reduce the risk of cancer and heart disease.

5. spinach.

Spinach contains a lot of beta carotene and iron, and it is also an excellent source of vitamin B6, folic acid and potassium. British research has confirmed that spinach is one of the best sources of lutein, which can prevent eye aging. Spinach is rich in antioxidants and vitamin K, which can activate brain function and strengthen bones.

Refer to the above content: People's Daily Online-New knowledge of diet: Ten kinds of vegetables are the most nutritious.