Question

define rancidity what kind of substances are used to prevent rancidity explain any three methods to prevent rancidity​

Answer 1

Explanation:

The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called as Rancidity.

Rancidity can be prevented by:

1. By adding antioxidants : Antioxidants are the substances which prevent oxidation. The two antioxidants used are BHT[Butylated Hydroxy -Toluene]

and BHA [ Butylated Hydroxy Anisole]

2. Rancidity cane be retartded by storing food in air tight containers.

3. Rancidity can be prevented by packing food items  containing fats and oils in nitrogen gas

Answer 2

Answer:

Rancidity : The oxidation of fatty food forming products of bad smell is called rancidity.

Methods to prevent rancidity -

• Keep away food from sunlight.
• Store food materials in air tight container.
• Addition of N2 gas in packet food.
• Keep food in refrigerator.