Contamination

Question 1

Definition of a contaminated food

Answer 1

When a food contains something e.g cleaning chemicals, micro organisms and physical objects harmful to health if consumed. Food can be contaminated in different ways:•Growth of pests like maggots•Microorganisms that have been transferred to food form another food. This is why diff coloured chopping boards are used in a commercial kitchen

Question 2

You can generally prevent cross contamination by:

Answer 2

•Separating raw and cooked foods at all stages of food storage and preparation•removing sources of contamination such as a full bin•Good handlers being trained and monitored in food hygiene and safety practices

Question 3

To prevent cross contamination hands must be washed when:

Answer 3

•Before handling food•After handling rubbish•After using toilet•After touching money

Question 4

Physical contamination

Answer 4

When objects or substances enter food e.g hair, plasters and false nails

Question 5

Chemical contamination

Answer 5

When harmful chemicals enter food that could cause illness or food poisoning such as cleaning agents and pesticides

Question 6

Cross contamination

Answer 6

The transfer of harmful bacteria, allergens or other microorganisms transfer form one place to another. Can happen through direct contact

Question 7

Biological contamination

Answer 7

Biological contamination refers to the contamination of foods by other living microorganisms. E.g bacteria like salmonella and campylobacter.