For most foods, contact with galvanized steel is perfectly safe. Only acidic foods should not come in contact with galvanized steel according the the U.S. Food & Drug Administration. The acid in some foods reacts with the zinc coating to form salts that are readily absorbed by the body and in excess could cause a very mild sickness. So, where is galvanized steel used in food production operations? There are two primary and distinct areas, for the structural supports of a building, such as a bakery or slaughterhouse, and for trays, racks, conveyor, freezers, refrigerators, and counter-tops in direct contact with the food. Qualifying all of this discussion is the fact zinc is a necessary part of our RDA, approximately 15 mg should be a part of your daily intake. 

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Patty McDonald

I do special events, and I purchased this 3 tier galvanized serving tray I was hopeing to use to put like onions, pickles etc…. but now I’m afraid to after reading this.  If I put foil over the top of these trays would it help and I would not have to worry about the possibility of no one getting sick?
Thank you for your help in this matter.

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