1,1'-dihydroxy-1,1',2,2'-tetrahydroneurosporene = 1-hydroxy-all-trans-1,2-dihydro-neurosporene + H2O
1,1'-dihydroxy-1,1',2,2'-tetrahydroneurosporene = 1-hydroxy-all-trans-1,2-dihydro-neurosporene + h2o