A five-carbon monosaccharide that naturally occurs as a constituent in various plant and bacterial polysaccharides
Arabinose occurs in Dextro- and Levo- configurations. The L-arabinose is abundant in nature and can be obtained from hemicelluloses and gums in many plants. Synthetically, it is produced to be used mainly as culture medium for certain bacteria.
Word origin: arabin (gum)
Molecular formula: C 5 H10 O5