Why are jams and pickles immersed in concentr | vedclass

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Question

(B) Jams and pickles are preserved by adding high concentrations of sugar or salt (or oil). These substances create a hypertonic environment around th

Vedclass · Accepted Answer

They do not rot due to fungal or bacterial action.

Vedclass · Answer

(B) Jams and pickles are preserved by adding high concentrations of sugar or salt (or oil). These substances create a hypertonic environment around the microbes. Due to the process of $plasmolysis$,water moves out of the microbial cells into the surrounding concentrated medium. As a result,the microbial cells lose water,shrink,and eventually die,preventing the spoilage of the food by fungal or bacterial action.

Why are jams and pickles immersed in concentrated sugar solution or oil?

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