Rising fossil energy prices and environmental preservation call for alternative sources of energy, such as renewable fuels based on biomass.[1] Biofuels could reduce carbon dioxide emissions and decrease fuel prices, particularly if derived from nonfood biomass resources such as agricultural, forest, and landfill wastes. Hemicellulose, a mixture of polysaccharides containing xylose, arabinose, glucose, galactose, mannose, and other sugars, is typically ...