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Question
Enumerate any three ways by which oil acts as a natural preservative in picking.
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Solution
Three ways by which oil acts as a natural preservative in pickles are:
- The oil added to the pickles prevents the pickles from spoiling by preventing air from getting into touch with them.
- It produces a coating atop the pickle, reducing the amount of air available for bacterial growth.
- Antimicrobial activity is also inhibited by oils.
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