Description_x000D_ General description_x000D_ L-(+)-Arabinose is a pentose sugar that occurs naturally in corn fiber gum and acacia gum._x000D_ Packaging_x000D_ 1 kg in poly bottle_x000D_ 100 g in poly bottle_x000D_ Biochem/physiol Actions_x000D_ L-Arabinose is the naturally occurring isomer and is a constituent of plant polysaccharides. Most bacteria contain an inducible arabinose operon that codes for a series of enzymes and transporters that allows L-arabinose to be used as the sole carbon source in microbial culture.