xanthan gum

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xanthan gum

[′zan·thən ‚gəm]
(organic chemistry)
A high-molecular-weight (5-10 million) water-soluble natural gum; a heteropolysaccharide made up of building blocks ofD-glucose,D-mannose, andD-glucuronic acid residues; produced by pure culture fermentation of glucose with Xanthomonas campestris.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.