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Sodium Phosphates
Sodium Phosphates
Also known as: E339, sodium phosphate
Low concern
Sodium phosphates are GRAS by FDA and approved as E339 by EFSA. It is classified as low-concern for typical food use.
Found in
38,601 products
E-number
E339
Type
emulsifier, humectant, preservative, sequestrant, stabiliser, thickener
What it is
Sodium salts of phosphoric acid (mono-, di-, and trisodium phosphate); inorganic phosphates.
Acidity regulator, emulsifier, sequestrant, buffering agent.
Why it's flagged
- high intake from processed foods may exceed EFSA group ADI
- concern in chronic kidney disease patients due to phosphate burden
What regulators actually say
"The Panel established a group acceptable daily intake (ADI) for phosphates of 40 mg/kg body weight (bw) per day, expressed as phosphorus."
Regulatory status
United States — FDA
GRAS (21 CFR 182.1778, 182.6778)
European Union — EFSA
Approved as E339 with group ADI 40 mg/kg bw/day for phosphates (2019)
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