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Ozone
Ozone
Low concern
Ozone is FDA-affirmed as GRAS for use as an antimicrobial agent in the treatment, storage, and processing of foods (21 CFR 173.368). It is reactive but decomposes to oxygen, leaving no significant residue.
Found in
4 products
What it is
Ozone (O3) is a triatomic oxygen molecule used as a strong oxidant and antimicrobial.
Antimicrobial agent for food contact and water treatment.
Why it's flagged
- Inhalation hazard at workplace levels — but residual in food is negligible
What regulators actually say
"Ozone is classified as GRAS (Generally Recognised As Safe) ... High reactivity, penetrability, and spontaneous decomposition to a nontoxic product (i.e., O2) enable its application as a food disinfectant."
Regulatory status
United States — FDA
GRAS as antimicrobial agent in food (21 CFR 173.368)
European Union — EFSA
Permitted technological aid
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