... foods. Moreover, N2 has low solubility in water and grease. And foods have small adsorption effect on N2. Therefore, N2 ... beverages (fruit juice, tea and milk) and edible oils (peanut, olive, sunflower and rape oils) from being oxidized, deteriorated and faded. 3) Nitrogen Expansion ... increase food volume. Nitrogen is used to puff edible oils, mayonnaise, margarine in barrel or peanut oil products for ...