Alum

Definition

In the context of food, alum is an aluminium-containing compound, an aluminium sulfate, used in some baking powders. It may also be used to control pH in canned foods and alcohol, to maintain crispness in pickled produce, among numerous other applications.

Health considerations

See: Aluminium.

May be found in

Pickles, relish, soft drinks, beer, pudding, canned vegetables, wines, liquours, cake mixes, baking powder, cheese

References

General Chemical
See: Aluminium.