How Bacteria Contaminate the Foods?

How Bacteria Contaminate the Foods?

Before consuming foods some harmful substances can contaminate them and so the foods would be polluted. Bacteria have to need an agent to contaminate foods. Those agents are particularly human and animals.

Beside, dust, chunk, insects, rodents and other animals, garbage, dirty objects and surfaces,
garments are the other agents that contaminate the food.

Human is the main source of many harmful bacteria especially human’s;

- skin that injured or sored,
- hair, facial hair and clothes,
- snot and saliva,
- dirty hands.

Bacteria can contaminate the foods by the way known as the “cross contamination ”. Throughout “cross contamination” bacteria can contaminate foods as follows:

dirty kitchen utentils, dirty hands,
cutting boards,
kitchen worktables,
coughing, sneezing and sputum