2. scurvy. The strength of vascular wall has a great relationship with VC. Microvessel is the smallest of all blood vessels, and its wall may be only the thickness of one cell. Its strength and elasticity are determined by collagen, which is responsible for connecting cells and has the function of cement. When VC is insufficient in the body, microvessels are easy to rupture and blood flows to adjacent tissues. When this happens on the skin surface, it will produce congestion and cyanosis; When it happens in the body, it causes pain and joint swelling. In severe cases, there may be bleeding in the stomach, intestine, nose, kidney and periosteum, and even death.
3. Gingival atrophy and bleeding. A healthy gum tightly wraps every tooth. Gum is a soft tissue, which is prone to atrophy and bleeding when lacking protein, calcium and VC.
4. Atherosclerosis occurs. Because VC can promote the excretion of cholesterol, prevent cholesterol from depositing on the inner wall of arteries, and even dissolve the deposited atherosclerotic plaques.
Vitamin C is a water-soluble and powerful antioxidant. It can protect other antioxidants, such as vitamin A, vitamin E and unsaturated fatty acids, and prevent free radicals from harming human body.
6. anemia Because VC can reduce trivalent iron which is difficult to be absorbed and utilized into ferrous iron, promote the absorption of iron in intestine and improve the utilization rate of iron in liver, which is helpful to treat iron deficiency anemia.
7. Prevent cancer. Rich collagen helps to prevent the spread of cancer cells; The antioxidant effect of VC can resist the damage of free radicals to cells and prevent cell variation; Prevent nitrite and secondary amine from forming strong carcinogen nitrosamine. Someone once dissected a patient who died of cancer and found that the content of VC in the patient was almost zero.
8. Protect cells, detoxify and protect the liver. In human life activities, it is very important to ensure the integrity of cells and the normal metabolism. Therefore, glutathione and enzymes play an important role.
Glutathione is a short peptide composed of glutamic acid, cystine and glycine, which has redox effect in the body. It exists in two forms, namely oxidation type and reduction type, and reduction type plays an important role in ensuring the integrity of cell membrane. VC is a strong antioxidant, which is oxidized by itself, reducing oxidized glutathione to reduced glutathione, thus playing an antioxidant role.
Enzymes are the catalysts of biochemical reactions, and some enzymes need free sulfhydryl (-SH) to keep their activity. VC can reduce disulfide bond (-S-S) to -SH, thus improving the activity of related enzymes and playing an antioxidant role.
From the above, it can be seen that as long as VC is sufficient, VC, glutathione and -SH will form a powerful combination of anti-oxidation, scavenge free radicals, prevent lipid peroxidation and the toxic effects of some chemicals, and protect the detoxification ability of the liver and the normal metabolism of cells.
9. The body's immunity declines.
White blood cells are rich in VC, and the VC in white blood cells decreases sharply when the body is infected. VC can enhance the chemotaxis and deformability of neutrophils and improve their bactericidal ability. Promote the generation of lymphocytes, and improve the body's identification and killing of foreign and malignant cells. Participate in the synthesis of immunoglobulin. Improve the activity of complement esterase in CI and increase the production of complement CI. Promote the production of interferon, interfere with the transcription of virus mRNA, and inhibit the proliferation of virus.
10. Improve the body's emergency response capability. Abnormal stimulation of human body, such as severe pain, cold, lack of oxygen and strong mental stimulation, will trigger a state of tension to resist abnormal stimulation. This state is accompanied by a series of bodies, including sympathetic nerve excitation, adrenal medulla and increased secretion of corticosteroids. Adrenaline and norepinephrine secreted by adrenal medulla are converted from tyrosine, and VC is needed in this process.
Vitamin C entering the human body is quickly distributed in 20 tissues and organs. Under normal circumstances, the human vitamin C bank is1500mg. Most of the excess is excreted with urine, and a small part is excreted with stool, sweat and respiratory tract. However, in the case of infection, the human body needs 20-40 times as much as usual, and all drugs will destroy VC in the body. Therefore, it is very beneficial to supplement VC when the human body is in a state. Davis, a famous American nutritionist, asked doctors who have studied nutrition whether VC should be taken as a regular medicine at home so that it can be taken at the early stage of any disease. Most doctors say, "It's certainly much safer than any aspirin", and it's better to use enough for the first time than to use small doses continuously.