{"topic_id":"AAFCO_Ch6_vitamin_E_antioxidant","category":"aafco","context":"---\ntopic_id: \"AAFCO_Ch6_vitamin_E_antioxidant\"\ncategory: \"aafco\"\ntitle: \"AAFCO Ch6 vitamin E antioxidant\"\nlang: en\nsource_document: \"AAFCO Model Pet Food Regulations\"\ncitation:\n  authority: \"AAFCO wp-content/uploads PDF\"\n  title: \"AAFCO Ch6 vitamin E antioxidant\"\n  url: \"\"\n  retrieved: \"2026-07-21\"\n  ref: \"\"\n  doc_type: \"official source\"\n  needs_review: true\nauthority_tier: T1\nauthority_tier_basis: \"T1:std-body\"\nauthority_tier_date: 2026-08-04\n---\nAAFCO Ch6 definition 90.12 Vitamin E Supplement is a feeding material used for its vitamin E activity; it must contain a minimum vitamin E activity equal to 10,000 International Units of vitamin E per pound (Published 1953, Amended 1967). Related entries cover a-tocopherol acetate and mixed tocopherols (21 CFR 582.5890/582.5892 GRAS). In pet food, vitamin E serves a dual function: (1) an essential fat-soluble vitamin — the AAFCO 2014 dog food nutrient profile sets the vitamin E minimum at 12.5 IU per 1000 kcal ME (equivalent to 50 IU/kg DM at the reference 4000 kcal ME/kg DM caloric density); (2) an antioxidant protecting polyunsaturated fats (fish oil, poultry fat) from peroxidation during storage — when an antioxidant is used in a fat ingredient, AAFCO 33.1 requires the common name(s) to be declared followed by the words \"used as a preservative\", and mixed natural tocopherols are the common choice behind \"preserved with mixed tocopherols\" label claims. The AAFCO profile sets no vitamin E maximum for dogs; note that vitamin E is expressed in IU of tocopherol activity — \"retinol equivalents\" apply to vitamin A, not vitamin E.\n","sources":["AAFCO wp-content/uploads PDF — AAFCO Ch6 vitamin E antioxidant (retrieved 2026-07-21)"],"source":{"authority":"AAFCO wp-content/uploads PDF","title":"AAFCO Ch6 vitamin E antioxidant","url":"https://www.aafco.org/","retrieved":"2026-07-21","ref":"","doc_type":"official source","source_document":"AAFCO Model Pet Food Regulations","verification_file":""},"source_document":"AAFCO Model Pet Food Regulations","source_file":"","trust":{"authority_tier":"T1","fidelity":"verbatim","license":null,"display_grade":"A"},"tokens_estimated":135,"generated_at":"2026-07-16","tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}