food production Flashcards
What are the primary stages of producing food
fishing harvesting cleaning raw foods milling of wheat of flour heat treatment of milk
what is pasteurised milk?
raw milk that is heated at 75 degrees for 15 secs
what is UHT milk?
Long-life milk is heated to 140°C for two seconds
what is sterilised milk?
milk that has been packed in airtight containers and subjected to temperatures in excess of 100 °C
What is micro filtered milk?
The milk is skimmed first and then strained using a microscopic filter
What is secondary processing?
how the raw primary processed ingredients are processed to produce a food product
What are the secondary stages of processing food?
flour into bread / pasta
milk into cheese/yoghurts
fruit into jams
How are vitamins lost during heating and drying?
as most vitamins are sensitive to heat and can leach out of vegatables
Vitamins A and C are minimized due to heat and air
how does heating affect the sensory characteristics of milk?
affects the smell and taste of the milk
how does drying affect the sensory characteristics of milk
as it is given to much time to settle
