Potassium Metabisulphite (K2S2O5) Uses:
Here are the main applications across different industries:
1. Food and Beverage Industry
• Preservative (E224): Prevents microbial growth in packaged and processed foods.
• Antioxidant: Inhibits enzymatic browning in dried fruits, fruit juices, and cut vegetables.
• Winemaking:
• Sanitizes equipment and bottles.
• Suppresses unwanted wild yeasts and bacteria.
• Releases sulfur dioxide (SO2), which preserves wine during fermentation and storage.
2. Brewing
• Prevents oxidation in beer and other fermented beverages.
• Inhibits spoilage organisms like wild yeasts and bacteria.
3. Water Treatment
• Removes residual chlorine and chloramines from water, especially before reverse osmosis or aquaculture applications.
4. Photography (Traditional Film Processing)
• Used as a component of devel