Vitamin C, also called ascorbic acid, is a water-soluble vitamin. Among all vitamins, vitamin C is the most unstable. It is easy to be destroyed during storage, processing and cooking. It is also easily oxidized and decomposed.
First, the main physiological functions of vitamin C
1, promoting the biosynthesis of collagen. Conducive to faster healing of tissue wounds;
2, promote the metabolism of tyrosine and tryptophan in amino acids, and prolong the life of the body.
3. Improve the utilization rate of iron, calcium and folic acid.
4. Improve the metabolism of fat and lipids, especially cholesterol, and prevent cardiovascular diseases.
5. Promote the growth of teeth and bones and prevent gum bleeding. ;
6, enhance the body's anti-stress ability and immunity to the external environment.
Two. Vitamin c deficiency and diseases
When vitamin C is deficient, its symptoms are as follows:
1. Gum swelling and bleeding, gum ulceration, loose teeth.
2. Skeletal deformity, easy to fracture.
3. The wound is difficult to heal. Further, it will cause scurvy and anemia.
4. Hemorrhage and heart failure may lead to sudden death in severe cases.
5. Decreased muscle fiber, including myocardial decline.
Vitamin C is a non-toxic nutrient, but it will be harmful if it is consumed more than 8 grams a day. Symptoms include nausea, abdominal cramps, diarrhea, excessive iron absorption, destruction of red blood cells, increased bone mineral metabolism, blocked anticoagulant therapy, increased plasma cholesterol, and possible dependence on large doses of vitamin C.