Chlorine dioxide

International Numbering System (INS) for Food Additives: 926

Food additives Europe numbers: E926 

Functional Category: Preservative

Chlorine dioxide (ClO₂) acts as a food additive in some limited cases, but it's important to distinguish its role from direct consumption. Here's a breakdown:

Main Function: Disinfectant and Antimicrobial Agent

• Chlorine dioxide's primary function in the food industry is as a disinfectant and antimicrobial agent. It's used to:
  • Treat and sanitize water used in food processing plants.
  • Wash fruits and vegetables to reduce contamination by bacteria, viruses, and other pathogens.

Limited Use as a Food Additive (Post-Harvest Treatment):

• In some specific situations, chlorine dioxide gas can be used as a post-harvest treatment for certain fruits and vegetables. This means it's applied after harvest to:
  • Extend shelf life by slowing down spoilage caused by microorganisms.
  • Control some fungal diseases on the surface of produce.

Important Considerations:

• Chlorine dioxide use in food processing and as a post-harvest treatment is strictly regulated by food safety agencies like the US Food and Drug Administration (FDA) to ensure safety for consumers.
• Residues of chlorine dioxide on treated produce are minimal and well below established safety limits.

Not a Direct Food Additive:

• Chlorine dioxide isn't intended for direct human consumption and isn't added to food products you ingest.

Overall:

Chlorine dioxide plays an indirect role in food safety by disinfecting water and controlling microbes on some produce. It's not a direct additive in food itself. Regulatory bodies ensure its use adheres to strict safety standards.