Question: is tbhq the same as bht?
Answer: What is TBHQ? TBHQ, like many food additives, is used to extend shelf life and prevent rancidity. It's a light-colored crystalline product with a slight odor. ... It's often used with other additives like propyl gallate, butylated hydroxyanisole (BHA), and butylated hydroxytoluene (BHT).