Question

Causes for rancidity

Answer 1

food containing oil or fat when kept for a long time become rancid i.e. the smell and colour changes.

Answer 2

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The condition part used by aerial oxidation of fats and oil in food marked by unpleasant smell and taste is called rancidity.

The development of rancidity of food can be prevented or retareded (slowed down) in the following ways

(1) Rancidity can be prevented by adding anti-oxidants to food containing fat and oil

(2) Rancidity can be prevented by packing fat and oil containing food in nitrogen gas

(3)Rancidity can be retareded by keeping food in refrigerator

(4) Rancidity can be retareded by storing food in air-tight container

(5) Rancidity can be retareded by storing food away from light

The main cause of rancidity in food is:

(1)Time

(2) Temperature

(3) Light

(4) Air

(5) Vegetables oil