Question

What happens when food material containing fats and oils are left for a long time. List two observable changes and suggest three ways by which the phenomenon can be prevented

Answer 1

Answer:

the food becomes oily and sogy

Answer 2

Answer:

Food materials containing fats and oils changes their taste and smell due to a process called Rancidity.

To prevent Rancidity:-

* Food must be packed in a air tight package.

*Different types of gasses such as nitrogen can be used to prevent Rancidity