{"data":{"id":"us/21-cfr-181.24","jurisdiction":"us","citation":"21 CFR 181.24","heading":"Antioxidants.","body":"Substances classified as antioxidants, when migrating from food-packaging material (limit of addition to food, 0.005 percent) shall include:\nButylated hydroxyanisole.\nButylated hydroxytoluene.\nDilauryl thiodipropionate.\nDistearyl thiodipropionate.\nGum guaiac.\nNordihydroguairetic acid.\nPropyl gallate.\nThiodipropionic acid.\n2,4,5-Trihydroxy butyrophenone.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION","PART 181—PRIOR-SANCTIONED FOOD INGREDIENTS","Subpart B—Specific Prior-Sanctioned Food Ingredients"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"f23fb891bc21b185ea513319e131111d3dd58bcffbb1000c99a7c6bb08eb8249","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-181.23","next":"us/21-cfr-181.25"},"notice":"GroundRules: Original legal text. Not legal advice."}