Located in the famous global historical and cultural city - Qufu City of Shandong Province, which also is the hometown of Confucius, Focuschem is a high-tech enterprise manufacturing Sodium Hyaluronate.


Shandong Focuschem Biotech Co., Ltd.




East Daxinzhuang Village,Xizou Towm,Qufu City,Shandong Province,China 

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Chondroitin Sulfate

Product Name

Chondroitin Sulfate

Product Description

Chondroitin sulfate is an acid mucopolysaccharide extracted from healthy domestic animal cartilage or shark cartilage, which is mainly composed of chondroitin sulfate A, C and other types of chondroitin sulfate. This substance widely exists in animal cartilage, throat and nasal bones, and is also found in tissues such as osteophyte, ligament, skin, and cornea. Chondroitin sulfate mainly presents in the form of sodium chondroitin sulfate. Chondroitin sulfate mainly consists of sulfate sodium salts copolymerized by N-acetylgalactosamine (2-acetamide-2-deoxy-β-D-galactopyranosyl) and D-glucuronic acid, and the copolymer is internally linked by β-1, 4 and β-1, 3 glycosidic bonds alternately.

◆ Involved in the manufacture of bones - bones are made from calcium and phosphorus. However, amino acids and vitamin D are also needed for bone manufacture. Chondroitin sulfate has an important role in transporting materials or supporting materials to form bone during bone formation.
◆ Keep joint moving smoothly - chondroitin sulfate and hyaluronic acid are main components (27-43%) of cartilages mostly presented in the joints. They give the cartilage elasticity and smoothness. Moreover, they are also associated with the elasticity maintenance of the ligament or tendon surrounding the joint. Hyaluronic acid is the main component of synovia, and both chondroitin sulfate and hyaluronic acid can promote joint smoothness.

Chondroitin can exert the following effects to alleviate joint pain problems:
1. Provide a cushioning effect to mitigate shock and friction during movement
Chondroitin acts like a “liquid magnet” which suctions water into the proteoglycan molecule to thicken the cartilage and make it like a sponge, while increasing the amount of synovia in the joint. In this way it can provide a “cushioning” effect to enhance the shock absorption capability of the joint and to mitigate the impact and friction caused by walking or jumping.
2. Deliver important oxygen supplies and nutrients to the joint, and help remove wastes out
One of the important functions of chondroitin is acting as a delivery channel to deliver important oxygen supplies and nutrients for the cartilage, while removing carbon dioxide and wastes out. Since there is no blood supply for the joint cartilage, all the oxygenation, nourishment and lubrication are functioned by synovia. Chondroitin loss caused by aging, injury or disease will subsequently cause synovia loss, leading to cartilage malnutrition, dryness, thinning and fragility. In addition, if the cartilage lacks proper nutrients, the cartilage damage from injury or daily wear will be more difficult to renew or heal.
3. Other efficacies of chondroitin
(1) inhibit the enzymes which can destruct cartilage (such as collagenase, elastase and cathepsin) to prevent the cartilage from being decomposed or digested. 
(2) Inhibit the activity of COX-2 from the root to prevent joint inflammation.   

In biomedical applications, the recognized efficacy of chondroitin as a medicine for the treatment of arthritis in orthopedics makes it a R&D hot spot. Similarly, chondroitin is also applied in the tissue engineering, ophthalmology and treatment of cardiovascular diseases; more precisely, chondroitin sulfate is mostly used for prevention of coronary heart disease, angina, myocardial infarction, atherosclerosis of coronary artery, myocardial ischemia, formation of atherosclerosis, and treatment of neuralgia, neuropathic migraine, joint pain, arthritis.

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