98% Factory Direct Supply Cosmetic Raw Powder Hyaluronic Acid CAS 9004-61-9
Product Description
Hyaluronan (also called hyaluronic acid or hyaluronate or HA) is an anionic, nonsulfated glycosaminoglycan distributed widely throughout connective, epithelial, and neural tissues. It is unique among glycosaminoglycans in that it is nonsulfated, forms in the plasma membrane instead of the Golgi, and can be very large, with its molecular weight often reaching the millions. One of the chief components of the extracellular matrix, hyaluronan contributes significantly to cell proliferation and migration, and may also be involved in the progression of some malignant tumors.
The average 70 kg (154 lb) person has roughly 15 grams of hyaluronan in the body, one-third of which is turned over (degraded and synthesized) every day. Hyaluronic acid is also a component of the group A streptococcal extracellular capsule, and is believed to play a role in virulence.
Hyaluronan has been used in attempts to treat osteoarthritis of the knee via injecting it into the joint. It has not been proven, however, to generate significant benefit and has potentially severe adverse effects.
Dry, scaly skin (xerosis) such as that caused by atopic dermatitis (eczema) may be treated with a prescription skin lotion containing sodium hyaluronate as its active ingredient.
In some cancers, hyaluronan levels correlate well with malignancy and poor prognosis. Hyaluronan is, thus, often used as a tumor marker for prostate and breast cancer. It may also be used to monitor the progression of the disease.
Hyaluronan may also be used postoperatively to induce tissue healing, notably after cataract surgery. Current models of wound healing propose the larger polymers of hyaluronic acid appear in the early stages of healing to physically make room for white blood cells, which mediate the immune response.
Hyaluronan has also been used in the synthesis of biological scaffolds for wound-healing applications. These scaffolds typically have proteins such as fibronectin attached to the hyaluronan to facilitate cell migration into the wound. This is particularly important for individuals with diabetes suffering from chronic wounds.
In 2007, the EMA extended its approval of Hylan GF-20 as a treatment for ankle and shoulder osteoarthritis pain.
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Hyaluronic acid
Product Name: Hyaluronic acid
Alias: Hyaluronan; HA
CAS No.: 9004-61-9
EINECS: 232-678-0
Molecular Formula: C14H22NNaO11
Molecular Weight: 403.31
Purity: 98%
Appearance: White solid powder
Use: Addictive of high-end cosmetics; used in medicine
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