What is rancidity? Write the common method to prevent it.
When food item are kept unprotected for some time, their smell and taste changes. This process is called rancidity. Actually, the microorganisms oxidise the fat and oils present in them. So oxidation of food items need to be prevented to protect them. Common methods to prevent rancidity of food item: Keeping the food at low temperature. Keeping food item in air tight containers. By filling nitrogen in the food storage bags.
