IUBMB Enzyme Nomenclature


Accepted name: D-mannitol oxidase

Reaction: mannitol + O2 = mannose + H2O2

Other name(s): mannitol oxidase; D-arabitol oxidase

Systematic name: mannitol:oxygen oxidoreductase (cyclizing)

Comments: Also catalyses the oxidation of D-arabinitol and, to a lesser extent, D-glucitol (sorbitol), whereas L-arabinitol is not a good substrate. The enzyme from the snails Helix aspersa and Arion ater is found in a specialised tubular organelle that has been termed the mannosome.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 73562-29-5


1. Vorhaben, J.E., Scott, J.F., Smith, D.D. and Campbell, J.W. Mannitol oxidase: partial purification and characterisation of the membrane-bound enzyme from the snail Helix aspersa. Int. J. Biochem. 18 (1986) 337-344. [PMID: 3519307]

2. Large, A.T., Jones, C.J.P. and Connock, M.J. The association of mannitol oxidase with a distinct organelle in the digestive gland of the terrestrial slug Arion ater. Protoplasma 175 (1993) 93-101.

[EC created 2001]

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