1.1.1.297 (1R,2R,4S)-menth-8-ene-1,2-diol + NAD+ = (1R,4S)-1-hydroxymenth-8-en-2-one + NADH + H+ 1.1.1.297 (1S,2S,4R)-menth-8-ene-1,2-diol + NAD+ = (1S,4R)-1-hydroxymenth-8-en-2-one + NADH + H+ 1.1.1.297 menth-8-ene-1,2-diol + NAD+ = 1-hydroxymenth-8-en-2-one + NADH + H+