Calcium Alginate

Common Name
Calcium Aliginate
Presence in Nature

Calcium alginate is a water-insoluble, gelatinous, cream-coloured substance that can be created through the addition of aqueous calcium chloride to aqueous sodium alginate.

It has many applications in biology, but primarily known for its healing properties due to the compound's ability to encase enzymes in order to simulate new plant tissue.
Alginate is a naturally occurring anionic polymer typically obtained from brown seaweed due to its biocompatibility, low toxicity, relatively low cost,  although the addition of  divalent Ca2+ (calcium ions) results in mild gelation. Thus, considered a naturally occurring biomaterial. 
Common Uses

It is a material that is commonly used wound dressing, specifically draining partial and full thickness wounds. Incidentally it can be also be used as an emulsifier or thickener in foods.

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