Butylated Hydroxyanisole (BHA) What is Butylated Hydroxyanisole (BHA)? Butylated Hydroxyanisole (BHA) is an effective antioxidant used in lipid-containing foods to prevent or delay oxidation. This preserves foods and extends shelf life. At room temperature, it forms a white or yellowish waxy solid with faint aromatic odor. BHA is widely used in: Baked [...]