demethylspheroidene + AH2 => 1-hydroxy-all-trans-1,2-dihydro-neurosporene + A
demethylspheroidene + ah2 => 1-hydroxy-all-trans-1,2-dihydro-neurosporene + a
demethylspheroidene + AH2 => 1-hydroxy-all-trans-1,2-dihydro-neurosporene + A
demethylspheroidene + ah2 => 1-hydroxy-all-trans-1,2-dihydro-neurosporene + a