Food Preservation Flashcards
involves the action taken to maintain foods with the desired properties or nature for as long as possible.
Food Preservation
The meaning of the word ___________ is to keep safe, retain quality and prevent decomposition or fermentation.
preserve
A process by which certain foods like fruits and vegetables are prevented from getting spoilt for a long period of time.
Food Preservation
In food preservation, the ___________, __________, and _____________ of the food is also preserved.
colour, taste and nutritive value
Preservation method through application of heat.
Thermal processing
Spores are destroyed by boiling water at 100°c for 30 min.
FALSE, spores are not destroyed
a mild pre-cooking operation which can
reduce the bacterial load on vegetables by 90%.
blanching
a process of heat treatment of milk, beer
and some other beverages.
Pasteurization
a controlled heating process used to completely eliminate all living micro-organisms, including thermo resistant spores in milk or other food.
Sterilization
process of applying heat to water until the
temperature reaches about 100°C.
Boiling
careful preparation of food packed into a sealed tin, glass or plastic container which is subjected to defined high temperatures (above 100ºC) for an appropriate period of time, and then cooled.
Canning
A preservation method by lowering T of food.
Removal of heat
involves reducing food temperatures, but only to approximately -1ºC.
Refrigeration
preserves the storage life of foods by slowing down enzyme reactions and the growth of microorganisms.
Freezing
A method of food preservation where free water is removed from the food and therefore, is unavailable to microbial cells.
Drying, control of water content
