Enzymatic Oxidation of Ethanol HH OH ADH CH3一 CH,一C一H NH,H+ acetaldehyde H oxidized form ethanol sugar sugar reduced form ADH=alcohol dehydrogenase NAD+ NADH oxidized form reduced form 0 HH CH-C-H +HO ALDH NH CH-C-OH NH,H+ acetic acid sugar ALDH=aldehyde dehydrogenase sugar NAD NADH Ethanol oxidizes to acetaldehyde,then acetic acid, which is a normal metabolite.Enzymatic Oxidation of Ethanol Ethanol oxidizes to acetaldehyde, then acetic acid, which is a normal metabolite