Question:

Which of the following is a type of Active packaging?

Show Hint

Most \(\text{O}_2\) scavengers contain finely divided ferrous (iron) powder enclosed in small permeable sachets.
The iron reacts with moisture and oxygen inside the package, oxidation-binding the oxygen as rust (\(\text{Fe}_2\text{O}_3\)).
  • Colour scavengers
  • Flavour scavengers
  • Antioxidants scavengers
  • \(\text{CO}_2\) & \(\text{O}_2\) scavengers
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The Correct Option is D

Solution and Explanation

Step 1: Understanding the Concept:
Active packaging is an innovative system that actively interacts with the food product or the internal packaging headspace to extend shelf-life, maintain quality, or improve safety.
Unlike passive packaging, which only acts as an inert barrier, active packaging dynamically absorbs or releases substances.

Step 2: Detailed Explanation:

The most common and commercially successful active packaging technologies are gas scavengers and emitters:
- \(\text{O}_2\) Scavengers: These chemically remove oxygen from the package headspace, preventing lipid oxidation, aerobic microbial spoilage, and enzymatic browning.
- \(\text{CO}_2\) Scavengers/Emitters: These maintain appropriate carbon dioxide levels to inhibit microbial growth or prevent package collapse.
Therefore, \(\text{CO}_2\) & \(\text{O}_2\) scavengers are classic examples of active packaging components.

Step 3: Final Answer:

The correct option is (D).
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