Question

define rancidity? how could you avoid it ?​

Answer 1

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When fats and oils are oxidised, they become rancid and their smell and taste change. To prevent rancidity antioxidants (which prevent oxidation) are added to foods containing fats and oils. Rancidity can also be prevented by flushing out oxygen with an inert gas like nitrogen.

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Answer 2

Answer:

Rancidification is the process of complete or incomplete oxidation or hydrolysis of fats and oils when exposed to air, light, or moisture or by bacterial action, resulting in unpleasant taste and odor.

Rancidity can be prevented using the following methods:

Adding antioxidants (substances which prevent oxidation) to food.

Storing food in airtight containers to slow the process of rancidification.

Refrigerating food also helps to slow down rancidification.

Replacing oxygen in the containers with another gas. For example, to prevent chips from turning rancid, chips manufacturers flush the bags with nitrogen gas.