We are now going to talk about sterilization in more detail, with particular reference to the different methods of sterilization. There are a number of available methods, each of which has advantages and disadvantages. Heat sterilization should always be the preferred method if it can be used.

Methods of sterilization include:

Moist or dry heat

Irradiation (ionizing radiation)

Sterilising gaseous agents (e.g. ethylene oxide)

Filtration with subsequent aseptic filling