Substances classified as antioxidants, when migrating from food-packaging material (limit of addition to food, 0.005 percent) shall include: Butylated hydroxyanisole.Butylated hydroxytoluene.Dilauryl thiodipropionate.Distearyl thiodipropionate.Gum guaiac.Nordihydroguairetic acid.Propyl gallate.Thiodipropionic acid.2,4,5-Trihydroxy butyrophenone. [42 FR 14638, Mar. 15, 1977; 42 FR 56728, Oct. 28, 1977]