Calcium Acetate (E263)

Type of additive
(Glossary)
Acidity Regulators, Preservatives
E NumberE263
Chemical FormulaC4H6CaO4
Also Known AsAcetate of lime
Calcium Ethanoate

Purpose and Function

Calcium Acetate (E263) is used in the food industry as an acidity regulator and preservative. It helps maintain the pH balance in foods, prevents spoilage, and extends shelf life by inhibiting the growth of harmful microorganisms. Its applications include:

  • Baked goods: Used in bread and other baked products to regulate acidity and improve dough stability.
  • Confectionery: Sometimes added to candies and sweets to enhance texture and control acidity.
  • Pickling solutions: Helps preserve pickled vegetables by stabilizing the acidity.
  • Food preservation: Can be used as a preservative in various processed foods to extend shelf life.

Calcium Acetate (E263) is effective in maintaining the desired acidity in food products, making it a versatile additive for different food processing applications.


Potential Risks and Side Effects

Calcium Acetate (E263) is generally recognized as safe when used within regulated limits, but there are some considerations:

  • Calcium overload: For individuals with certain medical conditions, such as kidney disease, excessive calcium intake could pose health risks, including hypercalcemia (high calcium levels in the blood).
  • Digestive discomfort: In large amounts, calcium acetate may cause digestive issues, such as constipation or stomach discomfort.
  • Regulatory approval: Calcium Acetate (E263) is approved for use in many countries, including the European Union and the United States, where it is considered safe within established limits.

Overall, Calcium Acetate (E263) is regarded as safe and effective for use as an acidity regulator and preservative.