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Question
How do sugar and salt contribute to the preservation of food?
Solution
Sugar and salt aid in food preservation in the following ways:
- Sugar and salt help to preserve food by inhibiting the growth of microbes. These natural preservatives absorb excess moisture from food. Salt is a hygroscopic substance that kills bacteria and fungi in food.
- The addition of sugar reduces the availability of water for microbial development.
- Sugar and salt extend the shelf life of food.
- Sugar functions as a preservative by facilitating the osmosis process.
- Salt is naturally hypotonic and kills bacteria.
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