Carbohydrates as Building Blocks, Enzyme Substrates, Diagnostic and Biochemistry Tools! 1 Arabinose 2 Fucose 3 Galactose 4 Glucose 5 Mannose 6 Maltose 7 Ribose 8 Xylose 9 Other Carbohydrates IRIS Biotech GmbH, Waldershofer Str. 49-51, D-95615 Marktredwitz, Germany