Sulfites

Definition

Sulfites are chemicals used as preservatives to keep food fresh and prevent spoilage by bacteria and mold.

Scientific / Technical Definition

Sulfites are inorganic salts that contain the sulfite ion (SO₃²⁻). They are commonly used in the food and beverage industry due to their antimicrobial and antioxidant properties, helping to prevent oxidation and spoilage in various food products.

Benefits

• Preserve the freshness of foods and beverages.
• Prevent microbial growth and spoilage.
• Maintain the color and flavor of food products.

Examples

• Dried fruits
• Wine
• Pickled foods
• Dehydrated vegetables
• Fruit juices

Additional Information

• Known issues: Some people are sensitive to sulfites and may experience allergic reactions such as difficulty breathing, hives, or gastrointestinal distress.

Related Terms

• Preservatives
• Antioxidants
• Food Additives
• Nitrates

References

• FDA: Food Additive Status List
• Sulfite Sensitivity Overview