Question

what is rancidity mention various methods to prevent it

Answer 1

Antioxidants are often used as preservatives in fat-containing foods to delay the onset or slow the development of rancidity due to oxidation. ... Oxygen scavenging technology can be used to remove oxygen from food packaging and therefore prevent oxidative rancidification.

Answer 2

Rancidity is the oxidation of oils or fats in a food resulting in bad taste and smell.

Prevention.....
1. keeping food in air tight container helps to slow down oxidation

2. antioxidants