Sodium Hydrogen Carbonate
Also known as: E500ii, Sodium bicarbonate, sodium acid carbonate, Bicarbonate of soda, baking soda
FDA affirms sodium bicarbonate as GRAS under 21 CFR 184.1736 with no use-level limit. EFSA permits E500(ii) without ADI restrictions.
What it is
Sodium hydrogen carbonate (sodium bicarbonate, NaHCO3), commonly known as baking soda.
Chemical leavening agent that releases CO2 when heated or mixed with acid, causing baked goods to rise. Also a pH regulator and dough conditioner.
Why it's flagged
- Adds sodium to total dietary intake
What regulators actually say
"The ingredient is used in food with no limitation other than current good manufacturing practice."
"Sodium bicarbonate (baking soda) is a common food additive containing sodium."
Regulatory status
United States — FDA
GRAS — 21 CFR 184.1736
European Union — EFSA
Authorized food additive E500(ii); no ADI specified
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