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प्रश्न
Give reason for the following.
Raw vegetables and fruits are kept in refrigerators, whereas jams and pickles can be kept outside.
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उत्तर
Raw vegetables and fruits get easily infected by microorganisms and get spoiled. They are kept in refrigerator at low temperature that inhibits growth of microbes. Jams and pickles contain sugar and salt as preservatives.
These preservatives form a protective layer and prevent spoilage of these products by inhibiting the growth of various microorganisms.
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संबंधित प्रश्न
How is milk pasteurized?
Look at the pictures given below. Which one is good for health? Why?
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We can preserve pickle by______.
What is the purpose of food preservation?
Food should not be purchased beyond the date of ______.
Give an example of a substance used to protect food grains in the olden days ______.
Give examples of synthetic food preservatives.
Why is the oil used as a preservative for pickles?
The synthetic preservatives do not delay microbial growth and do not keep the food safe for long-duration.
Give reason.
Food remains safe at 5° Celsius.
