Butylated hydroxytoluene (BHT) is a lipophilic synthetic chất chống oxy hóa được sử dụng rộng rãi trong the food ngành công nghiệp to protect fats and oils from oxidative degradation. It works by donating hydrogen atoms to free radicals, effectively terminating the chain reaction of lipid peroxidation.
BHT is particularly effective in stabilizing animal fats, vegetable oils, and sản phẩm containing unsaturated fatty acids. It is often used in combination with BHA or other chất chống oxy hóas for synergistic protection. BHT is approved for food use in most countries at regulated levels and remains one of the most cost-effective chất chống oxy hóas for lipid-based food systems.