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Chapter: 11th Home Science : Chapter 4 : Food Preservation Methods

Food Preservation Methods

The techniques adopted to preserve the foods are grouped into traditional tech-niques and modern industrial techniques.

PRESERVATION METHODS


Many foods cannot be stored as such and need to undergo a treatment or a tech-nique which helps to prevent spoilage. The techniques adopted to preserve the foods are grouped into traditional tech-niques and modern industrial techniques.


Traditional techniques include curing, freezing, boiling, heating, sugaring, pick-ling, canning, smoking, salting and fer-mentation. Modern industrial technique involve pasteurization, vacuum packing, artificial food additives and irradiation.

 

In this chapter, preservation tech-niques are discussed under the following headings. They are use of low tempera-ture, use of high temperature, dehydra-tion, use of chemical preservatives and preservation by high osmotic pressure.

 

 

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11th Home Science : Chapter 4 : Food Preservation Methods : Food Preservation Methods |


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