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Vegan, failsGluten-Free, passesKeto, passes
E235 — Natamycin
Why it’s used
An antifungal preservative produced by fermentation, applied to the surface of certain cheeses and cured sausage casings to prevent mold growth without penetrating into the food.
Other names
Pimaricin, Tennecetin
Diet flags
Vegan, passesVegetarian, passes
Regulatory status
USA — Restricted
Permitted under 21 CFR 172.155 solely as a surface antimycotic on cheese, at a maximum of 20 mg/kg (20 ppm) in the finished product with none detectable 5 mm below the surface. Source (2026-07-23)
EU — Restricted
Approved in the EU as E 235 for surface treatment of uncut hard, semi-hard, and semi-soft ripened cheeses (max 1 mg/dm² surface, none detectable at 5 mm depth) and of dried, cured sausage casings (max 1 mg/kg), per Annex II to Regulation (EC) No 1333/2008. Source (2026-07-23)
Safety review
- GRN 517 — FDA has no questions
- GRN 578 — FDA has no questions
A GRAS notice status is FDA’s response to a company’s own self-determination that an ingredient is safe — not an independent FDA safety review.
Matched to FDA’s record for “Natamycin”. GRAS Notice Inventory (checked 2026-08-01)
Found in these products
1 product in our database contains E235.