文档介绍：详解各种维生素的功效(Explain the efficacy of various
vitamins)
Explain the efficacy of various vitamins (selected)!
Wednesday, of vitamin D
Vitamin D mainly has the following physiological functions:
increase the body's absorption of calcium and phosphorus, so that the level of plasma calcium and plasma phosphorus saturati on.
promote growth and bone calcification, and promote dentai
integrity;
increase the absorption of phosphorus through the intestinal wall, and increase the reabsorption of phosphorus through the renal tubules:
Maintain the normal level of citrate in the blood:
prevent amino acid through kidney loss.
Two, vitamin D deficiency health effects
Vitamin D deficiency causes rickets, osteomalacia and tetany.
Prolonged intake of excessive amounts of vitamin D (5000IU) causes hypercalcemia and high urinary calcium. Characterized by loss of appetite, excessive thirst, nausea, vomiting, irritability, weakness, diarrhea, and alternation, severe death of renal calcification, calcification of the heart and large arteries.
Vitamin E - a nutrient that keeps young people alive
Vitamin E, also known as tocopherol, belongs to fat soluble vitamins. There are eight compounds in vitamin E, of which tocopherol is the most biologically active and most closely related to human health. Non heat, acid and alkali, easy to oxidize.
First, the physiological function of vitamin E
is a strong antioxidant, can effectively prevent food and rancidity of fatty acids in the digestive tract, protect cells from harmful substances to produce unsaturated fatty acid oxidation damage.
excellent free radical scavenger, can protect the biological membrane from free radical attack, effective anti-aging
nut rien ts.
improve the body immunity.
maintain the integrity of red blood cells, and promote the biosynthesis of red blood cells.
it is a necessary promoting factor of cell respiration, and can protect lung tissue from air pollution.
preventing cardiovascular disease.
Two, vita