Shanghai Ingredients Technology Co., Ltd.(expird)
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CAS NO.9067-32-7
Shanghai Jiahealthy Technology Co., Ltd which is subsidary of Jiahe Biotech concentrates on offering products and services to the health industry. Based on our own laboratory and 2 factories in North China and South China,we are able to supply pharmaceutical intermediates, food ingredients,plant extracts and other health raw materials both in the domestic and international markets.
The specification for cosmetic grade Sodium Hyaluronate:
|
Test Items |
Specification |
|
Appearance |
White Powder |
|
Glucuronic Acid |
≥45.0% |
|
Sodium Hyaluronate |
≥91.0% |
|
Transparency |
≥99.0% |
|
PH |
6.0-7.5 |
|
Molecular Weight,Da |
(0.8-2.0)×106 |
|
Protein |
≤0.05% |
|
Loss on Drying |
≤8.0% |
|
Heavy Metal (as pb), ppm |
≤10 |
|
Residue on ignition |
≤15% |
|
Arsenic，ppm |
≤2 |
|
Sterility test |
Comply |
|
Bacterial Endotoxin |
＜1EU/mg |
Sodium hyaluronate is the sodium salt of hyaluronic acid, a glycosaminoglycan found in various connective,epithelial, and neural tissues. Sodium hyaluronate, a long-chain polymer containing repeating disaccharide units of Na-glucuronate-N-acetylglucosamine, occurs naturally on the corneal endothelium, bound to specific receptors for which it has a high affinity. The polyanionic form, commonly referred to as hyaluronan, is a visco-elastic polymer normally found in the aqueous and vitreous humour.
Sodium hyaluronate for intra-articular injection is used to treat knee pain in patients with osteoarthritis who have not received relief from other treatments. It is similar to the lubricating fluid that occurs naturally in the articular capsule of the knee joint. Once injected into the joint capsule, it acts as both a shock absorber and a lubricant for the joint. Thus sodium hyaluronate is used as a viscosupplement, administered through a series of injections into the knee, increasing the viscosity of the synovial fluid, which helps lubricate, cushion and reduce pain in the joint. It is generally used as a last resort before surgery and provides symptomatic relief, by recovering the viscoelasticity of the articular fluid, and by stimulating new production from synovial fluid.Use of sodium hyaluronate may reduce the need for joint replacement. Injections appear to increase in effectiveness over the course of four weeks, reaching a peak at eight weeks and retaining some effectiveness at six months, with greater benefit for osteoarthritis than oral analgesics. It may also be effective when used with other joints.
Sodium hyaluronate for intraocular viscoelastic injection is used as a surgical aid in variety of surgical procedures performed on the eyeball including cataract extraction (intra- and extracapsular), intraocular lens implantation, corneal transplant, glaucoma filtration, and retina attachment surgery. It may be used in ophthalmology to assist in the extraction of cataracts, the implantation of intraocular lenses, corneal transplants, glaucoma filtration, retinal attachment and in the treatment of dry eyes. In surgical procedures in the anterior segment of eyeball, instillation of sodium hyaluronate serves to maintain a deep anterior chamber during surgery, allowing for efficient manipulation with less trauma to the corneal endothelium and other surrounding tissues. Its viscoelasticity also helps to push back the vitreous face and prevent formation of a postoperative flat chamber. In posterior segment surgery, sodium hyaluronate serves as a surgical aid to gently separate, maneuver, and hold tissues. It creates a clear field of vision, facilitating intra-operative and post-operative inspection of the retina and photocoagulation.
Sodium hyaluronate injections for plastic surgery are to reduce wrinkles on the face or as a filler in other parts of the body.
Sodium hyaluronate is also used to coat the bladder lining in treating interstitial cystitis.