State the principle behind pickling as a method of preservation.

Short Answer

Pickling as a preservation method is employed by creating a highly acidic environment in the brine using vinegar and a high salt concentration.
This mixture inhibits the growth of hazardous microbes such as bacteria, yeasts, and moulds, allowing the food to be stored for an extended time without spoiling.

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Household Methods of Preservation of Food

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Chapter 9: Storage and Preservation of Food - EXERCISES [Page 141]

Chapter 9 Storage and Preservation of Food
EXERCISES | Q 10. | Page 141

Enumerate any three ways by which oil acts as a natural preservative in picking.

Identify which is not an example of a sundried product:

Why is it important to preserve meat and its products properly?

State True or False:

Eggs should be washed and preserved in a cool dry place.

State True or False:

Sugar acts as a preservative by enabling the process of osmosis.

The method of preservation depends on ______.

Identify the picture.

Name the type method of preservation technique by observing the picture.

How is radiation effective in food preservation?

What is the need for preserving food items?

Explain the procedure for preserving foods by the use of chemical preservatives.