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hyaluronic acid |
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Additional_detail: Sodium hyaluronate is also called
hyaluronic acid .It is a straight
chain macromolecular
mucopolysaccharide composed of
repeating disaccharide speace
unit of glucuronic acid and N-
acetylglucosamine.It widely
consists in the extracellular
speace of human and animal
tissue,vitreum ,umbilical
cord ,skin joints synoveral
millions .It is aqueous solution
has outstanding moisture keeping
ability ,high viscoelasticity and
lubricity.It is widely used in
cosmatics ,pharmacy and health
and beauty food.
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