Lactoperoxidase is a peroxidase enzyme found in milk. This enzyme has antimicrobial and antioxidant properties. It is able to form reactive bromine and iodine species, resulting in natural organobromine and organoiodine substances, and can therefore be categorised as a haloperoxidase. It is fairly heat resistant and was widely used as an indicator of overpasteurization of milk. Structure Freshly isolated and purified samples of goat lactoperioxidase (LPO) were saturated with ammonium iodide and… (More on Lactoperoxidase)