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E263: Calcium acetate

Calcium salt of acetic acid, an natural acid, present in most fruits. Produced by bacterial fermentation and thus present in all fermented products. Commercially produced by bacterial fermentation of sugar, molasses or alcohol or by chemical synthesis from acetealdehyde.

Function & characteristics:
Acetates are used as preservatives and buffers. Calcium acetate is especially used against some spore-forming organisms in bread.

Bread and bakery products

Daily intake:
no limit

Side effects :
No side effects, acetates are a normal component of all body cells. Should only be avoided by people who have a (very rare) vinegar intolerance.

Dietary restrictions :
None, acetic acid and acetates can be consumed by all religious groups, vegans and vegetarians. Although the acid may be produced from alcohol, it does not contain any alcohol.


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Master in Food Safety Law is an initiative of Wageningen University, The Netherlands