Milk is heat treated to make it safe to drink and use. Pasteurisation and UHT are two methods used to heat treat milk. Whole milk,semi-skimmed milk and skimmed milk are types of milk sold in shops. Milk is regarded as a complete food.
Pasteurisation
a method of heat treating milk using a high heat and only seconds in time.
UHT (ultra heat treated)
a method of heat treating milk to kill bacteria and extend the shelf life.
Bacteria
micro-organisms that contaminate food and make it unfit to consume.
concentrated
a richer,more intense food source due to removal of water.
