XyloseĀ (cf.Ā Ancient Greek:Ā Ī¾ĻĪ»ĪæĪ½,Ā xylon, “wood”) is a sugar first isolated from wood, and named for it. Xylose is classified as aĀ monosaccharideĀ of theĀ aldopentoseĀ type, which means that it contains fiveĀ carbonĀ atoms and includes anĀ aldehydeĀ functional group. It is deriv