uronic acid

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Biomass

A simple sugar whose terminal -CH₂OH group has been oxidized to an acid, COOH group. The uronic acids occur as branching groups bonded to hemicelluloses such as xylan. (Source: Milne, T.A.; Brennan, A.H.; Glenn, B.H. Sourcebook of Methods of Analysis for Biomass Conversion and Biomass Conversion Processes. SERI/SP-220-3548. Golden, CO: Solar Energy Research Institute, February 1990.)

National Renewable Energy Laboratory (NREL) — Glossary of Biomass Terms retrieved 2014-06-15