Question

list two important methoda to prevent the food getting rancid

Answer 1

Using antiozidants,keeping in air tight containers,filling the containers with inert gases.

Answer 2

Prevention of rancidity :

Storage in coloured glass containers prevent oxidation of fats by rays of light.Vacuum packaging retards rancidity by excluding oxygen.Naturally occurring antioxidants like vitamin C, b carotene and vitamin E protect against rancidity.