What are the main changes in the revised Guidelines (May 2007 edition)?
The main revision is in the microbiological limits for Listeria monocytogenes. Under the revised Guidelines, Listeria monocytogenes should not be detected in 25g of food under refrigeration (excluding frozen food) and food intended for infants. For other ready-to-eat food, it will be classified as unacceptable if equal to or exceeding 100 cfu/g of Listeria monocytogenes are found. In the past, zero tolerance policy for Listeria monocytogenes was adopted for all ready-to-eat food.