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E392

Rosemary extract

No known risk

Natural herb antioxidant.

Acceptable daily intake
0.3 mg/kg body weight/day (EFSA)
Vegan
Yes
Vegetarian
Yes

What it is

A natural antioxidant extract derived from rosemary leaves to protect fats and oils from spoiling.

How it is used in food

A highly effective natural antioxidant that delays the oxidation of fats and oils.

Commonly found in
  • Frying oils
  • Snack foods
  • Processed meats

Health and safety

None known at the levels used. It is an extract of a culinary herb, standardised for its antioxidant compounds.

EFSA evaluated rosemary extract as a food additive and identified no safety concern at permitted uses.

Regulatory status

RegionStatusNotes
Australia & New Zealand
FSANZ
Permitted Permitted under the FSANZ Food Standards Code.
European Union
EFSA / European Commission
Permitted Authorised for food use under EU regulations (Annex II).
United States
FDA (Food and Drug Administration)
Permitted Authorised for food use by the FDA (often GRAS for standard additives).

Identification on labels

E-number
E392

Worth knowing

The active compounds (carnosic acid and carnosol) are responsible for its preservation power, but the distinct flavor of rosemary is often removed for food additive use.

Conclusion

There is no reason to avoid rosemary extract in your food. It is simply a natural herbal extract purified to remove strong flavors while keeping its antioxidant power. EFSA evaluated it thoroughly and confirmed it presents no safety concern when used within its 0.3 mg/kg daily intake limit to keep frying oils and meats fresh.

References

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Entry last reviewed 2026-07-28.

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