Alginic acid
an insoluble, colloidal acid, (c 6 h 8 o 6) n , found in the cell walls of various kelps, especially brown kelps, known chiefly in the form of its salts, and used as a thickening or stabilizing agent in foodstuffs, especially ice cream, and for sizing paper.
noun
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
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