Question

Write a note on the various preservation techniques.

Answer 1

Explanation:

Lyophilization

• Rapid freezing &dehydration of frozen product under vacuum.

Radiation

• UV rays, beta rays, gamma rays widely used in food preservation.
• Control and prevent microbial growth.

Sterilization

• To remove microbes from food.

Dehydration

• The process of removal of water from food.

Pasteurization

• It is the process of heating milk below boiling point to kill pathogenic bacteria to make the food safe to eat.
• Stop fermentation.

Answer 2

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