Question
Why can packaged pickles be stored for longer durations?
Solution
Sol. Packaged pickles have high salt content, which prevents the growth of microorganisms by reducing water availability. Microbes need moisture to thrive, and salt absorbs water through osmosis, dehydrating and killing them. Information Booster:
- Salt acts as a natural preservative.
- Oil creates a barrier to oxygen, slowing oxidation.
- Acids in pickles inhibit bacterial growth.
- Airtight jars minimize contact with air.
- Proper storage in clean, dry jars enhances preservation.
- (a): Microorganisms can enter but fail to grow.
- (c): Beneficial microbes are not typically present in packaged pickles.
- (d): Oil and salt work together, but salt is the primary agent.
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