Question

Which gas is used to avoid rancidity and why?

Answer 1

Nitrogen is the gas which is used to avoid rancidity as it stop the oxidation of fats.

Answer 2

Antioxidants are often used as preservatives in fat-containing foods to delay the onset or slow the development of rancidity due to oxidation. Natural antioxidants include ascorbic acid (vitamin C) and tocopherols (vitamin E).