Polyvinyl alcohol dehydrogenase (cytochrome) (EC 1.1.2.6, PVA dehydrogenase, PVADH) is an enzyme with systematic name polyvinyl alcohol:ferricytochrome-c oxidoreductase. This enzyme catalyses the following chemical reactionpolyvinyl alcohol + ferricytochrome c oxidized polyvinyl alcohol + ferrocytochrome c + H+