Sodium Thiosulfate (E539)

Type of additive
(Glossary)		Acidity Regulators ts Antioxidants
E NumberE539
Chemical FormulaNa2S2O3
Also Known AsSodium hyposulphite
Hyposulphite of soda
Hypo

Purpose and Function

Sodium thiosulfate is primarily used as an acidity regulator in food applications:

  • Acidity Regulator: It helps maintain pH levels in food products, contributing to flavor and preservation.
  • Food Processing Aid: Commonly used in food processing to neutralize chlorine in water used for food preparation.
  • Improves Shelf Life: By stabilizing food products, it helps enhance shelf life and prevent spoilage.

Potential Risks and Side Effects

Sodium thiosulfate is generally regarded as safe for consumption in regulated amounts. However, some concerns include:

  • Gastrointestinal Issues: High concentrations may lead to gastrointestinal discomfort, including nausea or diarrhea.
  • Allergic Reactions: Rarely, individuals may experience allergic reactions to sodium thiosulfate, particularly those with sensitivities.
  • Contaminants: Sourcing from reputable suppliers is essential to minimize the risk of contaminants in food formulations.