Chitosan
Chitin
Name: Chitin
Molecular formula: (C8H13NO5) n
Chemical name: β -1, 4-poly-N-acetyl-D-glucosamineCharacter: Off-white, innocuous, flavourless semitransparent and amorphous solid. Insoluble in water, dilute acid, dilute alkali.
Applications: Widely existing in shell of shrimp and crab, insect shell, fungi cell and water plant's cell wall. Chitin is mainly made from shell of shrimp and crab, which is abundant basic raw material for chitosan and glucosamine through the techniques of decalcification, deproteinization and decoloration etc.
Chitin's properties as a flexible and strong material make it favorable as surgical thread. Its biodegradibility means it wears away with time as the wound heals. Moreover, chitin has some unusual properties that accelerate healing of wounds in humans.


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