Eat or Avoid
E521

Aluminium Sodium Sulfate

Also known as: Sodium alum, Soda alum

Acidity RegulatorsFirming Agents

Safety rating

Generally Safe

Eat Away!Generally SafeUse SparinglyAvoid

Purpose and Function

Aluminium Sodium Sulfate is used as a firming agent maintaining crispness in pickled foods, an acidity regulator, and a clarifying agent in juice processing.

Commonly found in

  • Pickled foods
  • Clarified juices

Key functions

  • Firms pickled foods
  • Regulates acidity
  • Clarifies juices via coagulation

Potential Risks and Side Effects

  1. 01Generally regarded as safe for consumption
  2. 02Excessive intake may cause bloating or gas, particularly for those sensitive to aluminium
  3. 03Rarely, individuals may experience allergic reactions to aluminium compounds

References

    Related Additives