Reaction catalyzed by 8-hydroxygeraniol dehydrogenase (1.1.1.324)
+
2
NADP+
=
+
2
NADPH
+
2
(6E)-8-hydroxygeraniol
+
2 NADP+
=
(6E)-8-oxogeranial
+
2 NADPH
+
2 H+