Nitrous oxide

The gas is approved for use as a food additive (also known as E942), specifically as an aerosol spray propellant. Its most common uses in this context are in aerosol whipped cream canisters,

09-07-14http://www.natural-food-additives.com/Propellants/Nitrousoxide/

Nitrogen

To preserve the freshness of packaged or bulk foods (by delaying rancidity and other forms of oxidative damage)

09-07-14http://www.natural-food-additives.com/Propellants/Nitrogen/

Isobutane

As a propellant for aerosol cans and foam products, such as reddi wip.

09-07-14http://www.natural-food-additives.com/Propellants/Isobutane/

Carbon dioxide

A candy called Pop Rocks is pressurized with carbon dioxide gas at about 40 bar (600 psi). When placed in the mouth, it dissolves (just like other hard candy) and releases the gas bubbles with an audi..

09-07-14http://www.natural-food-additives.com/Propellants/Carbondioxide/

Argon

Its non-reactive nature makes it suitable in a food product, and since it replaces oxygen within the dead bird, argon also enhances shelf life.

09-07-14http://www.natural-food-additives.com/Propellants/Argon/