Lactaldehyde reductase (NADPH)

In enzymology, a lactaldehyde reductase (NADPH) () is an enzyme that catalyzes the chemical reaction

The two substrates of this enzyme are propylene glycol and oxidised nicotinamide adenine dinucleotide phosphate (NADP⁺). Its products are L-lactaldehyde, reduced NADPH, and a proton.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD⁺ or NADP⁺ as acceptor. The systematic name of this enzyme class is propane-1,2-diol:NADP⁺ oxidoreductase. Other names in common use include lactaldehyde (reduced nicotinamide adenine dinucleotide phosphate), reductase, NADP⁺-1,2-propanediol dehydrogenase, propanediol dehydrogenase, 1,2-propanediol:NADP⁺ oxidoreductase, and lactaldehyde reductase (NADPH).

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