Only vegetables and fruits contain carotene of vitamin C and vitamin A, and also contain vitamin B 1, vitamin B2 and niacin. Vitamin C can prevent scurvy, vitamin A can keep eyesight, prevent dry eye and night blindness, and eating more vegetables can supplement the vitamins needed by the human body and keep the body healthy.
Vegetables can improve the absorption rate of protein.
Eating too little vegetables will lead to less intake of various vitamins and trace elements, which will easily lead to malnutrition, rapidly reduce immunity and health level, and also affect the absorption of protein. If vegetables are added to meat, the absorption of protein will be as high as 87%, which is 20% higher than that of meat alone.
Vegetables are an important source of minerals
Vegetables contain minerals such as calcium, iron and copper, among which calcium is the main substance for the development of children's bones and teeth, and can also prevent rickets; Iron and copper can promote the synthesis of hemoglobin, stimulate the development of red blood cells, prevent children from anorexia and anemia, and promote growth and development; Minerals can make vegetables become alkaline foods, neutralize acidic foods such as grains and meat, and adjust the acid-base balance of body fluids.
Vegetables are an important source of cellulose
Vegetables are rich in cellulose, which can stimulate gastric juice secretion and intestinal peristalsis, increase the contact area between food and digestive juice, help the human body digest and absorb food, promote the discharge of metabolic waste, and prevent constipation.
Vegetables are an important source of volatile aromatic oils.
Vegetables contain volatile aromatic oils and have a special taste, such as ginger, onion, garlic and so on. This unique fragrance can stimulate appetite and prevent some diseases in the body.
Vegetables are good for dental health.
Eating more vegetables can also prevent dental caries. Vegetables contain 90% water and rich cellulose, which can dilute sugar when chewing, improve oral environment and inhibit bacterial growth. In addition, cellulose also has the function of cleaning teeth.