Question

Iron acts as _______ scavenger system.

(a) oxygen

(b) carbon dioxide

(c) ethylene

(d) moisture

I had been asked this question in my homework.

I'd like to ask this question from Active Packaging in Food in portion Modern Packaging Techniques of Food Packaging Technology

Answer 1

Correct answer is (a) oxygen

To explain I would say: Iron acts as oxygen scavenger system. 1 gram Iron can absorb upto 300 mL O2. Within 36 hours, Oxygen levels falls down to zero. The disadvantage of this system is that it will not pass through metal detector.