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alginic acid

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
al·gin·ic acid  (l-jnk)
n.
An insoluble colloidal acid in the form of a carboxylated polysaccharide that is abundant in the cell walls of brown algae.

alginic acid [ælˈdʒɪnɪk]
n
(Chemistry / Elements & Compounds) a white or yellowish powdery polysaccharide having marked hydrophilic properties. Extracted from kelp, it is used mainly in the food and textile industries and in cosmetics and pharmaceuticals. Formula: (C6H8O6)n; molecular wt.: 32 000-250 000
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.alginic acid - a gum used especially as a thickener or emulsifier
gum - any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying


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*The salt of alginic acid, a seaweed extract used as a thickener and emulsifier.
They all work basically the same by neutralizing stomach acid, but some people find an antacid combined with alginic acid, such as in Gaviscon, gives improved relief.
 
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