1. Chondroitin sulfate is mucopolysaccharides-class substance extracted from animal cartilage. It has an important role in prevention and treatment of cardiovascular disease, joint disease, and currently is an important biochemical product on the market. 2. As a health food or drugs, chondroitin sulfate has been long used to prevention and treatment of coronary heart disease, angina, myocardial infarction, coronary atherosclerosis, myocardial and ischemia with no significant side effects. It can significantly reduce the incidence and mortality of coronary heart disease. Long-term clinical application finds that the deposited fat can in the walls of arteries and veins can be effectively reduced or removed, which can significantly lower plasma cholesterol level, and thus preventing the formation of atherosclerosis.3. Chondroitin sulfate can also be used for the treatment of neuropathic pain, nerve migraine headaches, joint pain, arthritis and scapular joint pain, pain after abdominal operation.4. It can be used for prevention and treatment of hearing impairment caused by streptomycin, and hearing difficulties, tinnitus caused by a variety of noise with a significant effect.5. It also has adjuvant therapy on chronic nephritis, chronic hepatitis, keratitis and corneal ulcers.6. It is reported in recent years that, the chondroitin of shark cartilage has anti-tumor effect. In addition, chondroitin sulfate is also used for cosmetics and as healing agent of traumatic wound. Chondroitin sulfate is a kind of acidic mucopolysaccharides as an important component of ocular tissues. It can promote and improve the water metabolism of the cornea which is suitable for treating eye fatigue and dry eye syndrome.
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