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Potassium Propionate
Potassium Propionate
Also known as: E283, Potassium propanoate
Low concern
A short-chain fatty acid salt that is also produced naturally by gut bacteria. GRAS in the US and authorized in EU with no ADI specified; well tolerated at typical use levels.
Found in
15 products
E-number
E283
Type
preservative
What it is
Potassium salt of propionic acid; antimicrobial preservative.
Mold and rope inhibitor in baked goods.
Why it's flagged
- Rare reports of gastric irritation at high doses
What regulators actually say
"Potassium propionate is the chemical compound (CH3CH2COO)K... The ingredient is used as an antimicrobial agent... It is generally recognized as safe when used in accordance with current good manufacturing practice."
Regulatory status
United States — FDA
GRAS as preservative (21 CFR 184.1784).
European Union — EFSA
Authorized as E283; ADI 'not specified' under Regulation 1333/2008.
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