Definition of alginic acid in English:

Share this entry

alginic acid

Pronunciation: /alˌjinik ˈasid/

noun

Chemistry
An insoluble gelatinous carbohydrate found (chiefly as salts) in many brown seaweeds. The sodium salt is used as a thickener in foods and many other materials.
Example sentences
  • Food, cosmetic and pharmaceutical industries use three common types of hydrocolloid extensively when thickening or gelling properties are required: carrageenan and agar from red seaweeds and alginic acid from brown seaweeds.
  • Under similar conditions the polysaccharides with carboxyl groups, such as alginic acid and polygalacturonic acid, also photodecomposed.
  • Their main component, alginic acid, is converted into calcium salts (which are water-insoluble) and sodium salts (which are water-soluble).

Origin

Late 19th century: alginic from alga + -in1 + -ic.

For editors and proofreaders

Syllabification: al·gin·ic ac·id

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.