Science, asked by Anonymous, 11 months ago

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Describe the following Methods of food preservation :-

¶ Boiling .
¶ Refrigeration .
¶ Drying & dehydration .
¶ Preservatives .
&
¶ Canning .

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Answers

Answered by sakshi45578
1

Answer:

1.Canning is the process of heating the product at a specified temperature for a specific length of time (pasteurizing), and then vacuum sealing the pasteurized food in special glass jars designed for this purpose. It can be used with most foods, including fruits, vegetables, meats, seafood, and some prepared foods. Canning requires the purchase of reusable canning jars and rings, one-time use sealing lids, and some practice to learn the necessary and detailed steps. For more information, read: How to get started with the canning preservation method.

2.Freezing is the process of chilling foods to at least 0°F. It can be used with all foods, including fruits, vegetables, meats, seafood, grains, nuts, dairy, eggs, and prepared foods. True freezing is not possible in the freezer compartment of your refrigerator where the temperature is typically much warmer, between 10°F to 32°F. Freezing is easy to do, if you can afford to buy and operate the relatively expensive appliance. For more information, read: A short primer on freezing food.

3.Drying is the process of dehydrating foods until there is not enough moisture to support microbial activity. It can be used with most foods, including fruits, vegetables, meats, seafood, grains, legumes, and nuts. There are several different techniques, some are relatively easy to do and require no special equipment.

Answered by daisy777
3

Answer:

Explanation:boiling is method like when we give a substance a certain amount of heat it get it preserved

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