+1 vote
in Food Engineering by (93.7k points)
Controlled atmosphere has more oxygen than carbon dioxide.

(a) True

(b) False

This question was addressed to me in an online quiz.

Asked question is from Principles of Refrigerated Gas Storage of Foods-1 topic in division Food Preservation, Principles of Fresh Food Storage,  Principles of Refrigerated Gas Storage of Foods and Principles of Food Freezing of Food Engineering

1 Answer

+2 votes
by (380k points)
selected by
 
Best answer
The correct choice is (a) True

The explanation is: Both the modified atmosphere (MA) and controlled atmosphere (CA) have more oxygen than carbon dioxide. It is due to the formation of dry ice in the former and due to manual/automated control in the latter.

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