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E503Ammonium carbonates

Acidity regulator

E503 (Ammonium carbonates), a acidity regulator, is rated "watch": fine in moderation. Baker's ammonia. The traditional raising agent for crisp cookies, biscotti, and some Scandinavian baked goods. Decomposes completely during baking.

What is Ammonium carbonates?

Baker's ammonia, the old-school raising agent used before baking powder existed. Still used in thin, crisp baked goods like biscotti, springerle, and some Scandinavian cookies.

What does it do to the body?

Breaks down completely during baking into ammonia, carbon dioxide, and water, all of which evaporate, so the finished food contains essentially none. Safe.

What regulators say

EFSA and the FDA both treat it as a safe additive with no numerical acceptable daily intake.

Risk rating: Watch

Mixed evidence or a specific concern (gut, allergy, or contested safety data). Not alarming, but worth keeping an eye on rather than eating without limit.

E-number: E503Category: Acidity regulatorAlso known as: ammonium carbonate

Frequently asked questions

Is E503 (Ammonium carbonates) safe?
EFSA and the FDA both treat it as a safe additive with no numerical acceptable daily intake.
What is E503 (Ammonium carbonates)?
Baker's ammonia, the old-school raising agent used before baking powder existed. Still used in thin, crisp baked goods like biscotti, springerle, and some Scandinavian cookies.
What does Ammonium carbonates do to the body?
Breaks down completely during baking into ammonia, carbon dioxide, and water, all of which evaporate, so the finished food contains essentially none. Safe.
What are other names for E503?
E503 is also known as ammonium carbonate.

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