Flashcards in Food procressing Deck (14)
Any change to natural state of food
Any method of treating food to make it last longer.
Micro-organisms need certain conditions to grow. Any removed, food lasts longer.
Conditions required for micro-organism growth
Methods of food preservation
Very low temps used. Water changes to ice.
Food frozen, moisture removed.
Milk heated and cooled rapidly to kill harmful bacteria.
High temps used. Cans airtight
Fruit boiled. High sugar content (chemical preservative). Jars airtight.
Very high temps used. Glass jars sterilised & airtight.
Chemicals such as sugar, salt (chemical preservatives)" vinegar, smoke prevent micro-organism growth. They cannot live in high concentration of these substances.
Energy waves passed through food to kill micro-organisms.