1.1.1.55 L-lactaldehyde + NADPH + H+ - Sus scrofa propane-1,2-diol + NADP+ - ? 257252 1.1.1.55 L-lactaldehyde + NADPH + H+ - Spinacia oleracea propane-1,2-diol + NADP+ - r 257252 1.1.1.55 L-lactaldehyde + NADPH + H+ - Pseudomonas aeruginosa propane-1,2-diol + NADP+ - r 257252 1.1.1.55 L-lactaldehyde + NADPH + H+ the equilibrium greatly favors the reduction of L-lactaldehyde and can be reversed in the presence of high concentrations of propane-1,2-diol at high pH-values Sus scrofa propane-1,2-diol + NADP+ - r 257252