Food Presivation

Question 1

Heat

Answer 1

Heating kills most microorganisms
Example=pasturised milk cooked food and canned food

Question 2

Freezing

Answer 2

Microorganisms cannot multiply whithout warmth
Example=frozen meats fish ready meals

Question 3

Drying

Answer 3

Microorganisms need air to reproduce
Example =noodlepots coffe gravy granials

Question 4

Removing air

Answer 4

Most Microorganisms need oxygen to reproduce food is sealed in cans, MAP and vacuum packaging
Example equals food and cans and jars, sandwiches, crisps, vacuum packed meats and fish

Question 5

Chemicals

Answer 5

(Salt, sugar, vinegar, and smoke) changing the pH level of the food to create a hostile environment for the microorganism
Example, pickles salted meats, smoked fish chutneys jam