In order to prevent oxidation of potato chips during storage in sealed bags, chip manufacturers seal the packet in the presence of :
This questions was previously asked in
HAS GS Previous Year Prelims Paper (2017)
Hydrogen
Incorrect AnswerCarbon dioxide
Incorrect AnswerExplanation:
- *Oxygen:* It promotes oxidation, causing spoilage in foods. Sealing bags with oxygen would lead to rancidity and reduced shelf life.
- *Nitrogen:* ? This inert gas displaces oxygen, thus preventing oxidation and keeping chips fresh and crispy. It extends the shelf life and maintains flavor.
- *Hydrogen:* Generally not used for packaging food. It's flammable and does not protect against oxidation.
- *Carbon dioxide:* Sometimes used for food preservation, but mainly in products requiring modified atmosphere packaging. It's less common for chips.
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By: Parvesh Mehta