Sodium Salts Of Orthophosphoric Acid
Sodium phosphates are GRAS in the US and approved (E339) in EU. They contribute both sodium and phosphate; high phosphate intake is associated with cardiovascular and kidney concerns, particularly in renal patients.
What it is
Sodium phosphates (mono-, di-, tri-) — E339, used as buffer, emulsifier, leavening, sequestrant.
Acidity regulator, emulsifier, leavening, water retention.
Why it's flagged
- Phosphate load - EFSA group ADI 40 mg/kg bw/day, exceeded by some EU population groups
- Caution in chronic kidney disease
- Contributes to dietary sodium load
What regulators actually say
"Sodium phosphate is GRAS as a buffer and emulsifier under 21 CFR 182.1778."
"EFSA established a group acceptable daily intake of 40 mg/kg bw/day for phosphates and noted that exposure could exceed this in certain population groups."
Regulatory status
United States — FDA
GRAS (21 CFR 182.1778, 182.6778, etc.)
European Union — EFSA
E339, group ADI 40 mg/kg bw/day for phosphates
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