Oxidation/Reduction Alditol + NADP+ = Aldose + NADPH + H+( EC:1.1.1.21 ) EC:1.1.1.21 IEV:0002724 IMR:0200030 IMR:0200067 IMR:0200463 KEGG:C00717 KEGG:C01370 KEGG:R02820 event