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Index
 »Â
Food and Nutrition
 »Â
Chapter 1
 »Â
preservation
level: preservation
Questions and Answers List
level questions: preservation
Question
Answer
the action of slowing down or stopping food spoilage
preservation
-drying/dehydration -heating -freezing/refrigeration -treatment of chemicals
methods of preservation
the process of removing moisture from food
dehydration
-enjoy foods when out of season -prevent spoilage -prevent wasting unwanted food
reasons to preserve food
heat and moisture
the reason why micro organisms that cause food spoilage
the stoppage of bacterial action by using extremely low temperatures
freezing
the slowing down of bacterial action by using low temperatures
refrigeration
a method of preservation that kills bacteria by using high temperatures(over 130 degrees)
heating
methods of preservation heating
-pasteurization -sterilization -canning and bottling
the partial sterilization of a product, such as milk or wine, to make it safe for consumption and improve its keeping quality.
pasteurization
the process of making something free from bacteria or other living microorganisms by heating
sterilization
treatment of chemical preservatives to make food last longer and inhibits the grown of micro organisms
chemical treating
a method of preserving fruits and vegetables by sealing off sterilized food
bottling
-jam(sugar) -pickle(vinegar)
when chemical treatment is used