What is E523?
E523 is Aluminium Ammonium Sulphate — a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.
What is E523 (Aluminium Ammonium Sulphate)?
E523 is the E-number for aluminium ammonium sulphate, one of the acidity regulators group of food additives (E500–E599). Additives in this group control the acidity or alkalinity of food. A mineral salt. Like every E-number, E523 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E523 in detail below.
Where is E523 found?
E523 is typically used in baked goods, soft drinks, sweets, dairy products and processed foods. You'll find it listed in the ingredients either by its E-number (E523) or by its full name, aluminium ammonium sulphate. Common foods that may contain E523 include:
- Baked goods
- Soft drinks
- Sweets
- Dairy products and processed foods
Full guide: foods containing E523 and how to spot it on labels →
Is E523 safe?
E523 is approved for use in the EU, UK and US at regulated levels, but some concerns or conditions apply. For most people, normal dietary exposure to E523 is not considered harmful.
EFSA status: Authorised in the EU — acceptable daily intake (ADI) or conditions of use apply
Source: European Food Safety Authority
Is E523 vegan?
E523 is vegan. A mineral salt, with no animal involvement in standard production.
Full vegan status guide for E523 →Is E523 halal?
E523 is halal. A mineral salt, with no haram source involved.
Full halal status guide for E523 →Frequently Asked Questions
What is E523 in food?
E523 is Aluminium Ammonium Sulphate — a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.
Is E523 safe to eat?
E523 is approved at regulated levels in the EU, UK and US, but some concerns exist — see the safety section above. Most people can consume it in normal amounts without harm.
Is E523 vegan?
E523 is vegan. A mineral salt, with no animal involvement in standard production.
Is E523 halal?
E523 is halal. A mineral salt, with no haram source involved.
Also check: is this ingredient safe for cats? · safe for dogs? · check the calorie content of foods containing this
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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).