Definition of alginic acid in English:

alginic acid

Line breaks: al|gin¦ic acid
Pronunciation: /alˈdʒɪnɪk
 
/

noun

[mass 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.
    More 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.

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