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Which of the following is the most soluble gas used in MAP?

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in Food Packaging Technology by (63.0k points)
Which of the following is the most soluble gas used in MAP?

(a) Carbon Dioxide

(b) Nitrogen

(c) Oxygen

(d) Argon

I have been asked this question in an international level competition.

This interesting question is from Modified & Controlled Packaging Techniques topic in division Modern Packaging Techniques of Food Packaging Technology

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Correct choice is (a) Carbon Dioxide

To elaborate: Carbon Dioxide is the most soluble gas used in MAP. The solubility of CO2 is 3350 mg/kg at 0°C. The solubility of Oxygen, Nitrogen and Argon is 69, 29, 100 mg/kg at 0°C respectively. The solubility of CO2 increases with decreasing temperature. For this reason, the antimicrobial activity of CO2 is markedly greater at temperatures below 10°C than at 15°C or higher.

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