Question

oil and fat concentrating food items are flushed with nitrogen why

Answer 1

Because nitrogen is an inert gas and the fat and oil concentrating food items are flushed with it as it prevents the oily food items to be get oxidised with oxygen.

Answer 2

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Here is your answer

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⏺️The oil and fat concentrating food items are flushed with nitrogen so as to reduce rancidity.

⏺️Rancidity is a process through which the oil and fat in the food gets oxidized and smell foul .

⏹️So, as to prevent rancidity food are flushed with nitrogen, kept in airtight container, give an antioxidant etc.