1.Iron base antiseptic 2.Eliminate oxygen 3.Extend self life of products 4.Very safe, can use in ... natural preservativeIron Base AntisepticDeoxidizer; Deoxidant; Oxygen ScavengerActive ingredient: iron powderMain components: iron powder, Activated carbon, perlite, salt, waterSpecifications: 1. ... food: cat food, dog food, fish food, etc.Animal products: beef jerky, pork breast, bacon, ham, dried duck, ...