1.2.1.49 2-keto-3-deoxy-D-glucose + NADP+ + H2O - 1.2.1.49 methylglyoxal + NADP+ + H2O - 1.2.1.49 methylglyoxal + NADP+ + H2O ir 1.2.1.49 methylglyoxal + NADP+ + H2O contributes to the detoxification of methylglyoxal