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Glucuronoxylan

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Glucuronoxylan

(Science: biochemistry) H Emicellulosic plant cell wall polysaccharide containing glucuronic acid and xylose as its main constituents.

Has a _(1-4) xylan backbone, with 4-0 methylglucuronic acid side chains. Arabinose and acetyl side chains may also be present. Major polysaccharide of angiosperm wood (hardwood).