Smoking

Another tradisional way of preserving food is to smoke it. It is often use for fish. The fish is hung inside a building and a smoky fire is lit below.Other preservation mechanisms of smoking are heat and surface dehydration.

The advantages and disadvantages are as below.

Advantage

• Preserve partly by drying, partly by incorporation of substances from smoke

Disadvantage

• Eating a lot of smoked foods has been linked with some cancers in some parts of the world.