Time, temperature and pressureU.K.
2.After reduction the animal by-products must be heated until they coagulate and then pressed so that fat and water are removed from the proteinaceous material. The proteinaceous material must then be heated in a manner which ensures that a core temperature greater than 80 °C is achieved for at least 120 minutes and a core temperature greater that 100 °C is achieved for at least 60 minutes.U.K.
The core temperatures may be achieved consecutively or through a coincidental combination of the time periods indicated.