ID 1.1.2.2 DE mannitol dehydrogenase (cytochrome). AN polyol dehydrogenase. CA D-mannitol + 2 Fe(III)-[cytochrome c] = D-fructose + 2 Fe(II)-[cytochrome CA c] + 2 H(+). CC -!- Acts on polyols with a D-lyxo configuration, such as D-mannitol and CC D-sorbitol. //