Sodium Metabisulfite (Sodium Metabisulphite) – Food Grade
Definition
Sodium metabisulfite is a widely used chemical compound in the food industry. It is also known as disodium sulfite and is considered an effective preservative and antioxidant.
Properties
– Chemical formula: Na2S2O5
– Appearance: White crystalline powder with a faint sulfur-like odor.
– Solubility: Easily dissolves in water, making it convenient for various applications.
Uses
1. Preservative:
– Prevents the growth of bacteria and fungi, helping to extend the shelf life of foods.
– Commonly used in dried fruits and vegetables.
2. Antioxidant:
– Maintains the color of foods and protects them from oxidation, preventing loss of flavor and color.
3. Pickling:
– Used in pickling processes to preserve the flavor and appearance of foods.
4. Wine Production:
– Used to remove impurities and enhance flavor in wine production.
5. Beverage Industry:
– Acts as an antioxidant in soft drinks and juices.
Benefits
– Quality Improvement: Helps maintain food quality for a longer period.
– Cost Savings: By extending product shelf life, it can reduce waste.
