Tags: Chemical Compound, Chemical Substance.
Galactose (from the Greek stem γάλακτ– galakt– milk) sometimes abbreviated Gal is a monosaccharide sugar that is less sweet than glucose and fructose. It is a C-4 epimer of glucose.Galactan is a polymer of the sugar galactose found in hemicellulose. Galactan can be converted to galactose by hydrolysis.