Milk And Dairy Flashcards
What is pasteurisation
When milk is heated to 72c for 15 seconds which kills harmful bacteria
What is homogenisation
Milk is forces through tiny holes at high pressure to break up that cream which evenly spreads it through the milk
What is UTH
Ultra heat treatment, milk is heated to 135c for 1-4 seconds which allows it o be stored for longer
What is sterilisation
Milk is heated to 110c for 10-30 mins to kill bacteria which causes spoilage
What is micro filtration
Milk is pushed through a membrane to separate it from spoilage bacteria
What are the secondary ways of processing milk
Milk to cheese and yogurt
What are the steps for processing cheese
Pasteurisation, add starter culture, add rennet, cut the curd and heat, drain whey, texture curd, salting, store and age, package
What are the steps of making yoghurt
Pasteurise, warm the milk, add the starter culture, hold at 42c to ferment, cool, add flavours, package
What are he different types of milk
Whole milk, semi-skimmed, skimmed,