**12. Catalase**

Catalase (in peroxisomes) is capable of oxidizing ethanol *in vitro* in the presence of a hydrogen peroxide (H2O2) generating system, such as the enzyme complex

NADPH oxidase or the enzyme xanthine oxidase. It converts hydrogen peroxide into water and molecular oxygen. Quantitatively, however, this is considered a minor pathway of alcohol oxidation, except in the fasted state [64].
