An antioxidant used in animal feed to protect against lipid peroxidation and fat rancidity in chicken, salmon, and beef; protects human lymphocytes against hydrogen peroxide-induced DNA damage and reduces micronuclei formation; reduces the number of chromosome aberrations, micronuclei, and dominant lethal mutations induced by cyclophosphamide in mice, rats, and Chinese hamsters; induces chromosome aberrations such as atypical translocations, breaks, and dicentrics in human lymphocytes and CHO cells