Usually, in the presence of NADPH dehydrogenase or NADH dehydrogenase as the enzyme, NADPH or NADH is the reductant that converts resazurin to resorufin.
NADH dehydrogenase | NADPH oxidase | Lactate dehydrogenase | NADPH dehydrogenase | Malate dehydrogenase | Lactate dehydrogenase elevating virus | IMP dehydrogenase | Glucose-6-phosphate dehydrogenase deficiency | Succinate dehydrogenase complex subunit C | Pyruvate dehydrogenase | Phosphogluconate dehydrogenase | methylenetetrahydrofolate dehydrogenase (NADP+) | lactate dehydrogenase | Glucose-6-phosphate dehydrogenase | Corticosteroid 11-beta-dehydrogenase isozyme 2 | Aspartate-semialdehyde dehydrogenase | Aryl-alcohol dehydrogenase | Aldehyde dehydrogenase | Alcohol dehydrogenase | 3-hydroxybenzyl-alcohol dehydrogenase | 1,2-dihydroxy-6-methylcyclohexa-3,5-dienecarboxylate dehydrogenase |