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E916 · Flour treatment agents

Calcium iodate

No known risk

Iodine fortificant; not authorised as a flour treatment in the EU.

Category
Flour treatment agents
Vegan
Yes
Vegetarian
Yes

What it is

A calcium salt of iodic acid used to fortify foods with iodine.

How it is used in food

Prevents iodine deficiency, which can lead to thyroid issues like goiter.

Commonly found in
  • Iodised salt
  • Baked goods

Health and safety

Generally safe at fortified levels. It is an essential nutrient (iodine) source, though excessive iodine intake should be avoided.

Evaluated by food safety authorities and determined to be unsafe for general food use.

Regulatory status

RegionStatusNotes
Australia & New Zealand
FSANZ
Permitted Permitted under the FSANZ Food Standards Code.
European Union
EFSA / European Commission
Not approved Not on the EU authorised list of food additives (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
E916

Worth knowing

Used in some regions as a dough conditioner in baking, though its primary use is iodine fortification.

Conclusion

An unauthorized dough conditioner.

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Entry last reviewed 2026-07-28.

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