China Naming Network - Weather knowledge - What role does iron powder play in food?
What role does iron powder play in food?
Iron powder is equivalent to a desiccant in food, which removes oxygen and dehumidifies.
Because iron powder is a double absorbent,
Therefore, both water and oxygen will be consumed,
Prevent food from going bad,
The reaction equation is
4Fe+2H2O+3O2=2Fe2O3。 H2O