Description
Beta-galactose dehydrogenase is a selective catalyst for β-galactose. Under pH 8.6 conditions, beta-galactose dehydrogenase catalyzes the oxidation of β-galactose, produced by the hydrolysis of lactose by β-galactosidase, with nicotinamide adenine dinucleotide (NAD) to produce reduced nicotinamide adenine dinucleotide (NADH). Beta-galactose dehydrogenase specifically mediates this oxidation reaction for the quantitative detection of the substrate, used in the analysis of lactose concentration in samples such as breast milk[1][2]