Calcium sulfite

Calcium sulfite (CAS 10257-55-3), also recognized in food applications as E226, is an inorganic calcium salt used commercially as a preservative, antioxidant, and reducing agent.

Where is Calcium sulfite used?

• Food and beverage: preservative and antioxidant
• Wine, dried fruits and processed vegetables: oxidation control for shelf life and colour retention
• Pulp and paper: bleaching and delignification agent
• Sulfite pulping: breaks down lignin to produce cellulose fibre
• Water treatment: dechlorination of process and potable water by neutralising residual chlorine
• Flour treatment: conditions dough by modifying gluten structure
• It inhibits oxidative degradation and microbial growth.