ID 1.1.1.77 DE Lactaldehyde reductase. AN Propanediol oxidoreductase. CA (1) (R)-propane-1,2-diol + NAD(+) = (R)-lactaldehyde + NADH. CA (2) (S)-propane-1,2-diol + NAD(+) = (S)-lactaldehyde + NADH. PR PROSITE; PDOC00059; //