... .Pure iron powder 2.Extend self life of products 3.Food grade 4.SGS, MSDS certificate 5.Deoxidant/ deoxidizer Product name: Oxygen ... and vegetables: rice, millet, peanut, seeds, etc.Fried foods: fried potato slices, fried green beans, etc.Seafood: peeled shrimp, dried fish ... , various health medicines. Others: tea, tobacco, documents, paintings, electronics, equipment. food grade deoxidizer