E522

Aluminium potassium sulphate

E Number	E522
Name	Aluminium potassium sulphate
Class	Others
Groups	Aluminium sulphates
Additional details	Stabilizer, coagulant
Origin	Synthetic
Common applications	Candied fruits, freeze vegetables and white eggs, being also used to purify potable water
Observations	At high doses, may cause kidney toxicity and accumulation of aluminum particles in the organism. Moreover, it is contra-indicated in persons suffering Alzheimer disease (is neurotoxic)
Evaluation	To avoid

Category Number	Category Name	Maximum Level (mg/l or mg/kg as appropriate)	Details	Restrictions/exceptions
05.2	Other confectionery including breath refreshening microsweets	200	The additives may be added individually or in combination Expressed as aluminium	only candied, crystallised or glacé fruit and vegetables
10.2	Processed eggs and egg products	30	The additives may be added individually or in combination Expressed as aluminium	only egg white