Oil and fat containing food items are flushed with nitrogen. Why?
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Oil and fat containing food items are flushed with nitrogen to prevent them from going rancid. Rancidity is a process where the oils and fats in food products oxidize and break down, leading to a change in taste and smell. Nitrogen is an inert gas, meaning it does not react with the food, and it displaces oxygen, which is the main cause of rancidity. This process helps to extend the shelf life of the food product.