How much do you know about the "immune system" ?
The immune system is an important barrier for the body to resist harmful and pathogenic components such as microorganisms and viruses. It has the functions of immune surveillance, defense, and regulation. It is designed to protect the body from diseases and infections, regulate inflammation and maintain a lifetime of health. More importantly, once infected, a strong immune system is an important part of the body's control of disease development and effective recovery of health.
Our immune system consists of three parts: immune organs, cells, and molecules. It mainly functions through the three lines of defense of the skin and mucous membranes, innate immunity (non-specific immunity) and adaptive immunity (cellular immunity and humoral immunity).
Immune function and nutrients
Immune cells, like other cells in the human body, need sufficient energy, macronutrients and micronutrients to ensure growth and maintain normal functional conditions at the appropriate time. In recent years, "immune nutrition" has gradually become a research hotspot, and immunonutrients are defined as nutrients that affect the immune inflammatory response. Macronutrients (free fatty acids, glucose, nucleotides and amino acids) and micronutrients (vitamins and trace elements) All of them. A variety of micronutrients and trace elements can help maintain the normal immune system, and vitamin C plays an important role in the regulation of normal immune function.
How vitamin C helps us boost our immunity
1.White blood cells are an important part of the immune system. Vitamin C can promote the formation of antibodies and enhance the production of white blood cells.
2.Vitamin C can improve the mobility and adaptability of white blood cells, making it more effective in targeting and attacking invaders, such as viruses.
3.Adequate intake of vitamin C has been shown to promote the function and activity of neutrophils, thereby providing a better defense for the body by accelerating the immune cell response.
4.Vitamin C as a powerful antioxidant can fundamentally reduce all physiologically related free radicals and oxidants, and can resist the effects of oxidative stress.
5.Regularly reduce vitamin C due to infection, reduce the symptoms of the common cold and shorten the duration.
1.Participate in the synthesis of collagen
3. Prevent gum atrophy and bleeding
4. Prevent arteriosclerosis
5.Treatment of anemia
6.protect cells, detoxify, protect the liver
7.improve the body's emergency capabilities
How much vitamin C should be consumed daily
Most mammals can rely on the liver to synthesize vitamin C, so there is no problem of deficiency; however, a small number of animals such as humans, primates, and marmots cannot synthesize themselves, and must be ingested through food, drugs, etc. 67.7% of Chinese residents are at risk for inadequate vitamin intake and there is little difference between urban and rural areas. Daily intake of 100mg-200mg, daily intake does not exceed 2000mg. Consistent and regular vitamin C helps the immune system maximize its effectiveness.
The Chinese Medical Association's Parenteral and Enteral Nutrition Branch (CSPEN) recommends that during the epidemic of new coronary pneumonia, it is recommended to supplement health foods such as compound vitamins, minerals and deep-sea fish oil.
The Clinical Nutrition Branch of the Chinese Nutrition Association recommends that those with poor appetite and insufficient food should pay attention to the needle recommendations for supplementing B vitamins and trace elements such as vitamin C, vitamin A, and vitamin D.
People's Daily recommends that during the epidemic period, a reasonable diet should be matched, eat more foods rich in vitamins, minerals and dietary fiber to improve self-immunity.
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