Drying and Dehydration
|
Food
is dried under the sun or in special ovens or freeze-driers. In
freeze-drying, the water stored in food is frozen and the ice is removed by
sublimation under vacuum |
|
Water
is unavailable for reactions to occur, or for micro-organisms to grow |
Examples: Various dried food products such as fruit, coffee, milk, soups, fish, meat and vegetables
Common
food preservation techniques |