Question

Oil and fat containing food items are flushed with nitrogen by

Answer 1

oil and fat containing food get oxidized quickly. in order prevent rancidity or oxidation of food, they're flushed with nitrogen so they can stay fresh for a longer period of time.

Answer 2

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