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in Chemistry by (128k points)

Define rancidity. To prevent rancidity of food containing fats or oils, some substances are added to them. What are these substances called? Suggest some other method to prevent rancidity of food items.

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i. Rancidity: The oxidation of oils and fats in foods resulting into a bad smell and bad taste is called rancidity.
ii. To prevent rancidity, substances called ‘antioxidants’ are added to food (that contains fats and oils.)
iii. Rancidity can also be prevented: 

a. By flushing packets of food items like chips with nitrogen.

b. By storing the food inairtight container to slow down the process of oxidation.

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