Dilute Acid Hydrolysis of Agro-Residues: Implications on Xylose Recovery.- Deconstruction of Hemicellulose Fraction into Simple Sugars From Lignocellulosic Materials .- Molecular Mechanism of D-Xylitol Production in Yeasts: Focus on Molecular Transportation, Catabolite Sensing and Stress Response.- Microorganisms For Xylitol Production: Focus on Strain Improvement .- Statistical Optimization of Process Parameters for Xylitol Production.- Fermentation Strategies Explored for Xylitol Production.- Enzymatic Production of Xylitol.- Bioenergetic Balances for Xylitol Production from Different Lignocellulosic Materials.- An Assessment on Xylitol Recovery Methods.- Analytical Methods for Xylitol Quantification.- Medical Applications of Xylitol: An Appraisal.- Detoxification Strategies Applied to Lignocellulosic Hydrolysates for Improved Xylitol Production.- Key-Drivers Influencing the Large Scale Production of Xylitol.- Overview on Commercial Production of Xylitol, Economic Analysis and Market Trends.