Bht (Butylated Hydroxytoluene)

Definition

BHT is a synthetic antioxidant used as a preservative to prevent oils and fats in foods from oxidizing and becoming rancid.

Scientific / Technical Definition

Butylated hydroxytoluene (BHT) is a phenolic compound with antioxidant properties commonly used in the food industry. Its chemical structure helps prevent the oxidation of fats and oils, extending the shelf life of a variety of food products by hindering free radical formation.

Benefits

• Helps extend shelf life of food products
• Prevents rancidity in fats and oils

Examples

• Breakfast cereals
• Snack foods
• Chewing gum
• Meat products

Additional Information

• Known issues: Excessive intake of BHT may lead to health concerns such as liver enlargement and toxic effects on the lungs and kidneys under certain conditions.

Related Terms

• BHA (Butylated Hydroxyanisole)
• Antioxidants
• Preservatives

References

• The Antioxidant Role of Butylated Hydroxytoluene
• BHT (Butylated Hydroxytoluene) and Its Use in the Food Industry