Dissacharides are formed by the condensation of two monosaccharide molecules by the elimination of a molecule of water. These can be hydrolyzed into two monosaccharide molecules. Polysaccharides are carbohydrates formed by the condensation of a very large number of monosaccharide molecules, usually hexose molecules. They can be hydrolyzed into a large number of molecules of monosaccharides. The sweet taste of sugar makes it useful in cooking.
Sugar is used in the preparation of various edible products in the market today.