Methods of preservation

Food preservation can be defined as the process of treating and handling food in such a way as to stop or greatly slow down spoilage and prevent foodborne illness while maintaining ____________, texture and __________

• Flavour and appearance

• Nutritive value & Flavour

• Colour & Texture

__________ purpose is to prevent micro-organisms from contaminating the food once it is preserved, by sealing it from the outside air.

What is the one main methods of heat preservation?

• Refridgeration

• Sterilisation

• Freezing

State one example of a chemical preservation

List one consideration when selecting fruits or vegetables.