Aluminium Sulphate
Also known as: E520, Aluminium sulfate
EFSA reduced the tolerable weekly intake for aluminium to 1 mg/kg body weight per week due to neurotoxicity and developmental concerns. Use of aluminium-containing additives in food is restricted in the EU under Regulation 1129/2011.
What it is
Aluminium sulphate (E520), an inorganic salt used as a firming agent and stabilizer in foods.
Firming agent; used in pickling and egg white processing.
Why it's flagged
- aluminium accumulation
- neurotoxicity at high exposure
- use restricted in EU
What regulators actually say
"The Panel established a tolerable weekly intake (TWI) for aluminium of 1 mg/kg body weight per week."
"Aluminum sulfate ... is generally recognized as safe when used in accordance with good manufacturing practice."
Regulatory status
United States — FDA
GRAS for specific uses under 21 CFR 182.1125 (aluminium sulfate).
European Union — EFSA
Permitted only for egg white processing; TWI of 1 mg aluminium/kg bw/week.
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