How can be preserve food substances for a longer period? (a) by drying (b) by making pickles (c) by making murabba (d) all of the above
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Answer:
By drying is the correct answer
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Correct answer will be option d)
Explanation:
- By drying, water is removed from food substance. water is required some degree for enzymatic activity of microorganism. without water, microbes cannot survive.
- By drying ,food is preserved for longtime by preventing microbial growth.
- Pickling drops the pH level of food below 4.5 which is low enough to kill off most bacteria and thus used in food preservation
- Main ingredient for murabba making is sugar. By creating a high concentrated sugar solution, a high osmotic pressure is created. when microbes placed in such hypertonic solution water moves out from microbes. shrinkage and killing of microbes take place.
- so by murabba food can be preserved for long time.
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