The biochemical functions of selenium are not determined by the trace element itself, but by selenium proteins that contain the selenocysteine residue as an integral part of their active center.
Selenium is a major structural component of many enzymes such as glutathione peroxidase, thioredoxin reductase and deiodinases. These enzymes play important roles in antioxidation, reproduction, muscle function and tumors prevention. It is important that the recommended daily intake of selenium be covered by its intake to ensure proper operation of the functions which it occurs.
Selenium contributes to growth, supports healthy muscle activity, reproductive organs, reduces the toxicity of certain elements such as mercury, supports the immune system, and even delays the spread of certain viruses such influenza, Ebola, HIV.
Selenium has also a role, besides vitamin E, in muscle function by improving endurance and recovery and slowing the ageing process.
Antioxidant properties of selenium: The most important role of selenium is its antioxidant effect. This is expressed by the interaction with various enzymes. It plays a key role in the function of the glutathione peroxidase enzyme, which to neutralize the hydrogen peroxide and organic hydroperoxides in the intracellular and extracellular compartments to prevent harmful free radicals, inhibit DNA damage and the development of metabolic active carcinogens.
Selenium biological role
