Calcium alginate

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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.

Chemistry[edit | edit source]

Calcium alginate is a compound that is derived from alginate, a polysaccharide that is extracted from algae. When alginate is combined with calcium, it forms a gel-like substance that is insoluble in water. This is due to the ionic cross-linking that occurs between the calcium ions and the alginate molecules, which results in the formation of a three-dimensional network.

Uses[edit | edit source]

Calcium alginate has a wide range of uses in various industries. In the food industry, it is used as a thickening and gelling agent. It is also used in the production of edible films and in the encapsulation of flavour compounds and probiotics.

In the medical industry, calcium alginate is used in the production of wound dressings due to its excellent fluid absorption and gel-forming properties. It is also used in drug delivery systems due to its ability to protect drugs from the harsh conditions of the stomach and release them in the intestines.

In the textile industry, calcium alginate is used as a thickening agent in the printing process. It is also used in the production of biodegradable packaging materials.

Production[edit | edit source]

The production of calcium alginate involves the reaction of sodium alginate with calcium chloride in an aqueous solution. The resulting product is a gel-like substance that can be dried and ground into a powder for use in various applications.

Health Effects[edit | edit source]

Calcium alginate is generally considered safe for consumption. However, excessive consumption can lead to calcium overload, which can cause constipation, nausea, and stomach cramps. It can also interfere with the absorption of certain medications.

See Also[edit | edit source]

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Contributors: Prab R. Tumpati, MD