Calcium Sulfate (E516)

Type of additive
(Glossary)
Sequestrants
E NumberE516
Chemical FormulaCaSO4
Also Known AsSulfate of lime
Plaster of Paris
Drierite
Gypsum

Purpose and Function

Calcium sulfate is primarily used as a sequestrant in food applications:

  • Sequestrant: It helps bind free calcium and other minerals in food products, enhancing texture and stability.
  • Firming Agent: Calcium sulfate is commonly used to firm fruits and vegetables, maintaining their crispness during processing.
  • Nutritional Enhancer: It provides calcium, which is essential for various bodily functions, including bone health.
  • Improves Shelf Life: By stabilizing food products, it helps enhance shelf life and prevent spoilage.

Potential Risks and Side Effects

Calcium sulfate is generally regarded as safe for consumption. However, some considerations include:

  • Gastrointestinal Issues: Excessive intake may lead to gastrointestinal discomfort, including bloating or gas, particularly for those sensitive to calcium.
  • Allergic Reactions: Rarely, individuals may experience allergic reactions to calcium sulfate, particularly those sensitive to calcium salts.
  • Contaminants: Sourcing from reputable suppliers is essential to minimize the risk of contaminants in food formulations.