... iron powder 2.Oxygen scavenger/absorber 3.Extend self life of products 4.preservative 5.SGS, MSDS certificate Active ingredient ... % or less within 24 hours, thus achieve the goal of mildew proofing, vermin proofing and oxidation resistance. So that ... of food when used with proper packaging and sealing. Applications:Food: cake, moon cake, battercake, pastry, etc.Pet food: cat food, dog food, fish food, ...