The document describes hydrogenation of sugars like xylose and glucose over supported metal catalysts to produce sugar alcohols. Pt/γ-Al2O3+HT catalytic system showed the highest activity, yielding up to 82% of C5 sugar alcohols and 68% of C6 sugar alcohols. The activity was governed by the interaction of the metal and support, as well as the support's acidic or basic properties. Catalyst characterization showed the Pt particles were well dispersed and stabilized on basic supports like hydrotalcite.