Is Sodium Metabisulfite Vegan?

Sodium metabisulfite is a chemical compound commonly used as a preservative and antioxidant in various foods and beverages. Its chemical formula is Na2S2O5.

Origin

  • Sodium metabisulfite is produced synthetically through a chemical reaction involving sodium carbonate (soda ash) and sulfur dioxide.
  • No animal-derived ingredients are used in its production process.

Vegan Status

  • The process of making sodium metabisulfite does not involve animal products or by-products.
  • It is considered vegan-friendly and is widely accepted in vegan diets.

Usage in Food

  • Used as a preservative in dried fruits, wine, and other foods.
  • Also functions as an antioxidant and antibacterial agent.

Summary

Sodium metabisulfite is vegan since it is synthesized from non-animal sources and does not involve any animal-derived substances in its production.