Question

oil and fat containing food items are flushed with nitrogen. why?​

Answer 1

Answer:

Nowadays, fast food(oily and fat) and dehydrated food is preserved in air tight sachets made from flex, a kind of plastic material. These sachets are filled with nitrogen gas. The principle behind is that the food is not exposed to moisture and germs. This prevents oxidation.

Answer 2

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Oil and fat containing food items flushed with nitrogen because nitrogen acts as an antioxidant and it prevents them from being oxidised.