When food containing fat or oil is not used and left for long time,their smell and taste changes.Name the process which is responsible for the change.List two methods to prevent or slow down the above change

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Solution

It is because of rancidity. The fat and oil get oxidized when kept in open air and they give foul smell.
Eg. Softening of chips when kept in open.
Two methods to prevent or sllow down the changes are -

By adding antioxidents like nitrogen

By kepping such food in air tight containers.

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When food containing fat or oil is not used and left for long time,their smell and taste changes.Name the process which is responsible for the change.List two methods to prevent or slow down the above change

It is because of rancidity. The fat and oil get oxidized when kept in open air and they give foul smell. Eg. Softening of chips when kept in open. Two methods to prevent or sllow down the changes are - By adding antioxidents like nitrogen By kepping such food in air tight containers.

It is because of rancidity. The fat and oil get oxidized when kept in open air and they give foul smell.
Eg. Softening of chips when kept in open.
Two methods to prevent or sllow down the changes are -

By adding antioxidents like nitrogen

By kepping such food in air tight containers.