Question

Why does Stale food gives Abad smell and bad taste?
How can this be prevented​

Answer 1

Answer:

Stale food give a bad taste and smell due to bacteria formation. This can be prevented by adding preservatives, keeping it in a refrigerator, blast freezing it etc.

Answer 2

this happens because then the food mix with oxygen and it react with it and that's why the taste and the smell of the food changes if we want to protect it then we must pack our food with airtight containers so that the Oxygen will not able to react with the food