Healthy adults consume 2000 ~ 3000 kilocalories a day. More calories need to be consumed during the period of increased activity or growth and development. If nutrition is not supplemented in time, the body's resistance to diseases and growth and development will be affected. Food can provide a lot of heat to the human body. 4,000 calories per kloc-0/g protein; 9000 calories per 1 g fat; 4,000 calories per kloc-0/g sugar.
Step 2 provide immune substances
Lycium barbarum, chrysanthemum, milk, bee milk, soft-shelled turtle and other foods contain a lot of immune substances, which are especially important for the weak, infants and the elderly. Regular consumption can enhance human resistance.
3, provide a large number of antibacterial substances
Tea, garlic, onion and other foods contain a large number of antibacterial substances, which have obvious antibacterial effects on Gram-positive cocci and negative bacilli, and have obvious inhibitory and killing effects on Shigella, Escherichia coli, Staphylococcus aureus and Salmonella.
4, provide a large number of anticancer substances
Soymilk, soft-shelled turtle and other foods have anti-cancer effects, and regular consumption can prevent cancer.
5, provide a lot of vitamins, cellulose and trace elements.
Vitamins, cellulose and trace elements are all necessary for human body. Lack of vitamin B 1 will cause beriberi, lack of vitamin C will cause scurvy, lack of trace element selenium will cause cancer, and lack of zinc will cause growth retardation. Although the human body has little demand for these nutrients, it must be fully supplemented from the diet, otherwise it will lead to diseases.
6, provide a large number of enzymes and hormones
Iron obtained from animal viscera can enrich blood, and the obtained sex hormones are helpful to treat sexual dysfunction and other diseases; Animal testicles can be made into testicles for the treatment of sexual hypofunction, hypoplasia and climacteric disorders.
7. Regulate human metabolism.
Diet can balance the body's synthesis and catabolism. Tea has anticoagulant and fibrinolytic effects, and has obvious therapeutic effects on hyperlipidemia, atherosclerosis and hypervibrinemia, and has good therapeutic effects on coagulation and fibrin deposition in patients with gastritis. Mutton, dog meat, etc. It's good for the kidneys and has a lot of calories. Eating them can cure waist and knee pain and enhance resistance; Tremella fuciformis and Auricularia auricula can reduce blood concentration, which is beneficial to the prevention and treatment of coronary heart disease and arteriosclerosis.
8. Adjust the internal environment of human body to be relatively constant.
Gourd and wax gourd can benefit water; Celery and chrysanthemum can clear away heat; Honey and sweet potato can relieve constipation; Coriander (coriander), leek and ginger can sweat; Yam and poria cocos can strengthen the spleen and stomach, and these foods are conducive to maintaining a relatively constant internal environment of the human body.