Chondroitin Sulfate (CAS 9007-28-7): A Comprehensive Guide to Properties and Applications
Chondroitin Sulfate (CS), identified by its Chemical Abstracts Service (CAS) registry number 9007-28-7, is a widely utilized sulfated glycosaminoglycan (GAG) in the pharmaceutical, nutraceutical, and cosmetic industries. As a crucial structural component of connective tissues, it plays a vital role in maintaining human physiological functions. Its unique physicochemical properties and biological activities have made it an indispensable raw material in modern biomedicine. Below is a detailed overview of its properties, mechanisms of action, and diverse applications.
1. Fundamental Properties of the Product
Chondroitin sulfate is typically extracted and purified from the cartilage tissues of bovine, porcine, avian (chicken), or marine (shark) sources. Depending on the source and purity levels, it is available in various specifications, commonly ranging from 90% to 98%.
Physical Characteristics
Pure chondroitin sulfate generally appears as a white or off-white, odorless powder with a certain degree of hygroscopicity. Its physical traits are characterized by significant water solubility:
Pure chondroitin sulfate generally appears as a white or off-white, odorless powder with a certain degree of hygroscopicity. Its physical traits are characterized by significant water solubility:
- Solubility: It is highly soluble in water, forming a viscous solution that does not coagulate upon heating. Conversely, it is insoluble in organic solvents such as ethanol, acetone, and ether.
- Stability: Its salts are relatively stable to heat and are not easily degraded at temperatures up to 80°C. However, exposure to high temperatures or highly acidic environments can compromise its stability, potentially leading to deacetylation or degradation into monosaccharides and lower-molecular-weight polysaccharides.
2. Primary Application Areas
Based on the aforementioned properties, chondroitin sulfate demonstrates extensive application value across multiple fields:
1. Joint Health (Core Application)
This is the most prominent application area, where CS is frequently formulated in combination with Glucosamine.
This is the most prominent application area, where CS is frequently formulated in combination with Glucosamine.
- Treating Joint Diseases: It is used to manage osteoarthritis, rheumatoid arthritis, and periarthritis. CS promotes chondrocyte proliferation and matrix synthesis, repairing damaged cartilage and fundamentally improving joint function.
- Pain Relief: Through dual anti-inflammatory and joint-lubricating actions, it significantly alleviates joint pain, morning stiffness, and swelling, reducing patients’ reliance on non-steroidal anti-inflammatory drugs (NSAIDs).
- Prevention and Delay: Long-term supplementation can slow the progression of joint space narrowing, inhibit osteophyte (bone spur) formation, and reduce the risk of joint replacement surgery.
2. Cardiovascular System
Chondroitin sulfate also exhibits excellent cardiovascular protective effects and is often developed as a lipid-lowering agent or adjunct therapy.
Chondroitin sulfate also exhibits excellent cardiovascular protective effects and is often developed as a lipid-lowering agent or adjunct therapy.
- Lipid Lowering and Anti-atherosclerosis: It reduces blood cholesterol and lipids, preventing lipid deposition on vascular walls, thus preventing and delaying atherosclerosis.
- Anticoagulation and Circulation Improvement: It possesses anti-thrombotic properties, purifies the blood, and improves circulation, making it useful in the adjunct treatment of coronary heart disease, angina pectoris, and myocardial ischemia.
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