Aluminium sulfate
Other names Alum, E520
Aluminium sulfate: high in nickel; low in salicylate. If you're sensitive to any of these, check it against your profile before eating.
Intolerances
- NickelHigh
Aluminium sulfate is not a nickel compound, but it is refined from mined ore, and nickel travels with aluminium out of the ground. The purity criteria of Regulation (EU) No 231/2012 cap heavy metals in food additives rather than removing them, so a residue remains by design.
Sources· 1
- Regulation (EU) No 231/2012, Annex, purity criteria per additive — heavy metals are capped, not excluded
- SalicylateLow
Aluminium sulfate is a mineral firming agent. It carries a level through the additive block, not through any chemistry it shares with salicylate.
- FODMAPsNone
- LactoseFODMAPsNone
- Histamine (+liberators / DAO inhibitors)None
Aluminium sulfate (E520) is a firming agent, used on candied fruit and egg white. It has no histamine route at all. The reason to look it up is the aluminium, and that belongs to a different axis of this app rather than to this one.
Sources· 2
- Maintz & Novak, Am J Clin Nutr 2007
- Comas-Baste et al., Biomolecules 2020
- GlutenNo
- FructoseFODMAPsNone
- OligosaccharidesFODMAPsNone
- SorbitolFODMAPsNone
- SucroseNone
- TyramineNone
- OxalatesNone
Intolerance levels are based on our documented scientific sources. See sources →
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Frequently asked questions
Which intolerances does Aluminium sulfate affect?
Aluminium sulfate is notable for nickel and salicylate. Clear on FODMAPs, lactose, histamine, gluten, fructose, oligosaccharides, sorbitol, sucrose, tyramine and oxalates.
Does Aluminium sulfate contain nickel?
Yes — Aluminium sulfate is high in nickel. Aluminium sulfate is not a nickel compound, but it is refined from mined ore, and nickel travels with aluminium out of the ground. The purity criteria of Regulation (EU) No 231/2012 cap heavy metals in food additives rather than removing them, so a residue remains by design.
Does Aluminium sulfate contain salicylate?
Aluminium sulfate contains only low levels of salicylate. Aluminium sulfate is a mineral firming agent. It carries a level through the additive block, not through any chemistry it shares with salicylate. Amounts vary by brand and recipe, so always check the label of the exact product.
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