Post pasteurized milk's quality is tested by -
Phosphatase test
Methylene blue test
Catalase test
Oxidase test
Phosphatase test check tge efficiency of pasteurization. It detects inadequate pasteurization or the addition of raw milkREF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-606.
Nutrition and health