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Related to alginic acid: alginic acid sodium salt
An insoluble colloidal acid in the form of a carboxylated polysaccharide that is abundant in the cell walls of brown algae.
(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
al•gin′ic ac′id(ælˈdʒɪn ɪk)
an insoluble colloidal acid, (C6H8O6)n, found in the cell walls of various kelps: used as a thickener or stabilizer, esp. in ice cream, and for sizing paper.