The following tests are used to check the efficiency of pasteurization of milk except
• Methylene Blue Reduction Test' (MBRT): Is an indirect method for detection of microorganisms in milk – MBRT test is 'carried out on milk accepted for pasteurization'
• 'Cold Pasteurization': The use of ionizing radiation or other means (e.g. chemical) to kill bacteria in food.
• 'Electronic pasteurization': Food irradiation
Phosphatase test
Methylene blue reduction test
Standard plate count
Coliform count