Question

What is rancidity?explain with examples.What are the latest techniques to prevent rancidity

Answer 1

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.

Answer 2

Answer:

• The most general definition of the term "rancidity" is the deterioration of food to the point where it is no longer fit for human consumption.
• The flavor and smell of food alter when the lipids and oils within them oxidize, which also causes food to go rancid.
• For instance, milk occasionally turns rancid from not being heated in a humid environment.
• Example: Oil also turns rancid due to the breakdown of the fats it contains.
• The following steps can be taken to avoid rancidity:

1. Antioxidants can be added to foods that contain fats and oils to prevent rancidity.
2. Remaining food items can be refrigerated.
3. Use nitrogen gas to suffuse the food
4. Use airtight containers that prevent the food from coming into contact with the air.

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