1. Selenium enters the human body, and most of it combines with protein, which is called selenoprotein, and plays a regulatory role in the nutritional state of selenium in the body. Protein plays a role in maintaining normal immunity in the body.
2. Appropriate level of selenium is necessary to maintain cellular immunity and humoral immunity. The detection of selenium in white blood cells and the discovery of selenium in GPX provided a preliminary explanation for the role of selenium in the immune system. Selenium was detected in all immune organs such as spleen, liver and lymph nodes, and it was observed that selenium supplementation could improve the response ability of host antibodies and complements. This may be the reason why selenium can improve immunity.
Selenium is an essential trace element for human body and an essential component of glutathione peroxidase. I don't know if you have heard of Keshan disease. The earliest published research results of Keshan disease prevention and control in China are that some people in Keshan disease area are in a state of low selenium, and selenium supplementation can effectively prevent it. Since then, people have found that selenium deficiency is the main factor of Keshan disease.
Foods rich in selenium:
The selenium content in food varies greatly, because the selenium content in plants is related to the selenium content in planting soil and the amount that can be absorbed and utilized. This shows that there are certain regional differences.
Generally, seafood, animal viscera and lean meat are high in content, such as dried squid156.1ug/100g, small yellow croaker 68.2ug, quail egg 25.2ug, sea cucumber 150ug, scallop 88.4ug and chicken liver 36.8ug.
/kloc-The recommended intake of selenium for RNI people over 0/8 years old is 50ug/d, and that for UL people is 400 ug/d..
Because selenium deficiency and high selenium will lead to "endemic diseases" related to selenium, too high selenium intake will cause selenium poisoning. Therefore, selenium (tonic) should be cautious. For areas with selenium deficiency in the land, it can be supplemented by supplements. If there is no shortage of areas, a reasonable diet is enough.