Question

how does the addition of salt or sugar to food kill bacteria and prevent good spoilage ​

Answer 1

Explanation:

Salt's Role in the Prevention of Microbial Growth

Salt is effective as a preservative because it reduces the water activity of foods. The water activity of a food is the amount of unbound water available for microbial growth and chemical reactions.

Answer 2

Answer:

Water diffuses between cells in the environment so that the concentration of solutes (such as salt) is the same on both sides of the cell. In very high salt solutions, many microbes will rupture due to the difference in pressure between the outside and inside of the organism.

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