the packed food items like jam, pickels and juices stays fresh for longer time and do not spoil where as the same food items when prepared at home do not stay fresh for long. think and answer why?
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the packed food items like jam, pickels and juices stays fresh for longer time and do not spoil where as the same food items when prepared at home do not stay fresh for long.
because jams and pickles are added with preservatives. sugar is added in jams and edible oils are used in pickles. sugar and edible oil keeps a check on the growth of the bacteria that might grow and make the substance toxic or spoil it.
wherease food item prepared at home does not contain any chemicals which blocks the path for bacteria
hope it's helpful
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