Question

enlist the different methods by which food is preserved explain any four​

Answer 1

four methods are -

1)canning eg - soft drinks are preserved by this method

2)sterilizing process which kills bacteria and eliminated all the dirt

3)pasteurization - is the process of heating milk at very high temperature and then cooling it quickly

4)cooling - cooling helps in killing the germs and it stops microbial growth

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Answer 2

Hey there!

Answer:

The different methods are

▪Canning

▪Fermentation

▪Pasteurization

▪Irradiation

Explanation:

• Canning:The canning process involves placing foods in jars or similar containers and heating them to a temperature that destroys micro-organisms that cause food to spoil.
• Fermentation :Fermentation in food processing is the process of converting carbohydrates to alcohol or organic acids using microorganisms—yeasts or bacteria—under anaerobic conditions. 
• Pasterization : Pasteurization (or pasteurisation) is a process of heat processing a liquid or a food to kill pathogenic bacteria to make the food safe
• Irradiation :Irradiation is the process by which an object is exposed to radiation. The exposure can originate from various sources, including natural sources.

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