TLS Online TPP Program

#Question id: 35990


Which of the following statements about thermal processing of foods are correct?

#XL - U Food Technology
  1. D-value represents the time required at a specific temperature to reduce the microbial population by 90%.
  2. Z-value is the temperature change required to change the D-value by a factor of 10.
  3. HTST pasteurization of milk is typically done at 72 °C for 15 seconds.
  4. Retort processing is primarily used for refrigeration preservation of fresh foods.