Milk Proteins- Enzymes a Most of the enzymes are inactivated by pasteurization a alkaline phosphatase is an index of adequacy of pasteurization (phosphatase test) a Lipase may cause hydrolytic rancidity in dairy products if it is not deactivatedMilk Proteins - Enzymes ◼ Most of the enzymes are inactivated by pasteurization ◼ alkaline phosphatase is an index of adequacy of pasteurization (phosphatase test) ◼ Lipase may cause hydrolytic rancidity in dairy products if it is not deactivated