Preservatives

Definition

Preservatives are substances added to food products to prevent them from spoiling. They help extend the shelf life of foods by stopping the growth of bacteria, molds, fungi, and yeast.

Scientific / Technical Definition

Preservatives are chemicals used in food processing to inhibit microbial growth and oxidation, thereby prolonging the freshness, flavor, and overall safety of food products. These compounds can be classified as antimicrobial agents, antioxidants, and other typical preservatives.

Benefits

• Extend shelf life of food products.
• Prevent spoilage and waste.
• Maintain food safety by inhibiting bacterial growth.

Examples

• Sodium benzoate in soft drinks.
• Sulfites in dried fruits.
• BHA and BHT in cereals.

Additional Information

• sideEffects: Some people may experience allergic reactions or sensitivities to certain preservatives like sulfites, leading to symptoms such as headaches, rashes, or asthma attacks.

Related Terms

• Antioxidants
• Food Additives
• Emulsifiers
• Flavor Enhancers

References

• Overview of Food Preservatives
• Preservatives: Uses and Safety