What do you mean by rancidity and write two points how you can prevent rencidity. Why is chips filed with nitrogen gas describe.
Answers
The condition produced by aerial oxidation of fats and oils in food marked by unpleasant smell and taste is called Rancidity. For Example, Potato Chips when kept in air for a long time gives unpleasant smell and bad taste.
1.Rancidity can be prevented by adding anti-oxidants to foods containing fats and oils.
2. Rancidity can be prevented by packaging fat and oil containing foods in Nitrogen gas.
3. Rancidity can be retarded by keeping food in Refrigerator.
4. Rancidity can be retarded by storing food in air-tight containers.
5. Rancidity can be retarded by storing foods away from light.
hope it will help you.
Answer:
the spoiling of oilly food in coming in contact with air .
store food in air tight containers
keep away frm sunlight
it is filled with nitrogen so as to prevent its contact with air