Food Grade Sodium Metabisulfite (SMBS) is a versatile chemical compound widely used in the food industry. Let’s explore its essential properties and applications.

Key Properties

1. Antioxidant Properties:
   • SMBS acts as an antioxidant, preventing oxidation and maintaining the freshness of food products.
   • It inhibits the breakdown of vitamins and other nutrients, preserving their nutritional value.
2. Preservative Function:
   • As a preservative, SMBS extends the shelf life of various food items.
   • It prevents spoilage by inhibiting the growth of bacteria, yeast, and molds.
3. Bleaching Agent:
   • SMBS is used to bleach certain food products, such as dried fruits and vegetables.
   • It helps maintain their natural colour and appearance.

Applications

1. Fresh Fruits and Vegetables:
   • SMBS is commonly used to extend the freshness of fresh produce.
   • It prevents browning and maintains the vibrant colour of fruits and vegetables.
2. Dried Fruits:
   • In the production of dried fruits (such as raisins and apricots), SMBS helps prevent discoloration.
   • It ensures that dried fruits retain their appealing appearance.
3. Wine Preservation:
   • Winemakers use SMBS to sanitize equipment and prevent oxidation during wine production.
   • It stabilizes wine by inhibiting unwanted microbial growth.