Butylated hydroxytoluene (BHT) is a synthetic antioxidant commonly used to prevent the oxidation of fats and oils in food products, cosmetics, and pharmaceuticals. Its primary function is to stabilize these materials by extending their shelf life and preventing rancidity, which can negatively affect quality and safety. BHT works by donating hydrogen atoms to free radicals, thereby inhibiting the chain reactions that lead to oxidative degradation.
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