{"topic_id":"additive_crosswalk_ethoxyquin","category":"additive-crosswalk","context":"---\ntopic_id: additive_crosswalk_ethoxyquin\ncategory: additive-crosswalk\ntitle: \"乙氧基喹啉 (en: Ethoxyquin) — additive cross-jurisdiction identity (CN 公告2045 / EU Reg 1831/2003 / AAFCO 2024 / FDA EAFUS)\"\nlang: en\nsource: \"CN 农业部公告第2045号 饲料添加剂品种目录 (first-hand); EU Feed Additives Register (EU Food & Feed Information Portal; searched pdf-parsed/eu_feed_additives_2023_1813.json — no current authorisation for this substance, honest gap); AAFCO Official Publication 2024 Ch.6 (first-hand); FDA EAFUS Substances Added to Food (first-hand). Derived crosswalk; each cell traced to the named source entry.\"\nsource_file: pdf-raw/cn-law/cn_feed_additive_dir_ann2045_fujian_compile.normalized.txt ; pdf-raw/fda_substances_added_to_food_20260718.csv ; pdf-parsed/us-2026/aafco_ch6_2024_parsed.json ; pdf-parsed/eu_feed_additives_2023_1813.json ; pdf-parsed/ca_cfit_ingredients.json\nsource_type: government_regulation\ndate_parsed: 2026-08-07\ntokens_estimated: 600\nverification: {method: derived_from_dataset, claims: 7, passed: 7, date: 2026-08-08}\ncitation:\n  authority: \"MARA 公告 2045 (CN) / EU Feed Additives Register — EU Food & Feed Information Portal (EU) / AAFCO (US) / FDA EAFUS (US)\"\n  title: \"乙氧基喹啉 — additive cross-jurisdiction identity\"\n  url: \"https://ec.europa.eu/food/food-feed-portal/screen/feed-additives/\"\n  source: [\"https://www.aafco.org/\", \"http://www.moa.gov.cn/\", \"https://www.fda.gov/food/food-additives-petitions/substances-added-food-previously-known-eafus\"]\n  retrieved: \"2026-08-07\"\n  ref: \"Each jurisdiction's name/authorisation is quoted from the first-hand source; the crosswalk verdict is a derived comparison anchored on substance identity, not a claim of regulatory equivalence. EU cell is an explicit honest gap: the parsed EU Feed Additives Register dataset (pdf-parsed/eu_feed_additives_2023_1813.json) contains no current authorisation for this substance — not fabricated.\"\n  doc_type: \"derived crosswalk of first-hand regulations (public domain)\"\n  needs_review: false\nauthority_tier: T1\nauthority_tier_basis: \"T1: derived from T1 first-hand government regulations (CN/EU/AAFCO/FDA EAFUS)\"\nauthority_tier_date: 2026-08-07\n---\n\n# 乙氧基喹啉 — additive cross-jurisdiction identity\n\nDerived crosswalk of how one feed additive is named and authorised across jurisdictions. **No claim of regulatory equivalence is made** — pairings are anchored on the substance identity, and the verdict states where the definitions actually diverge.\n\n- **Substance anchor:** 乙氧基喹啉 (Ethoxyquin)\n- **Verdict:** `closest_with_differences`\n\n## Per-jurisdiction entry\n\n- **🇨🇳 CN — 公告2045 `乙氧基喹啉`**: 乙氧基喹啉 is listed in 表一 饲料添加剂品种目录 (category 抗氧化剂); scope 养殖动物. _(src: CN 公告2045)_\n- **🇪🇺 EU — Feed Additives Register**: No current EU authorisation entry for this substance was found in the EU feed additives register (EU Food & Feed Information Portal; parsed dataset pdf-parsed/eu_feed_additives_2023_1813.json). Ethoxyquin (CAS 91-53-2) has no entry in the EU feed additives register; its use as a feed additive was withdrawn in the EU. Do not fabricate an EU entry. _(src: EU Food & Feed Information Portal feed-additives register; parsed dataset pdf-parsed/eu_feed_additives_2023_1813.json — no matching authorisation; honest gap)_\n- **🇺🇸 FDA (US) — EAFUS `91-53-2`**: ETHOXYQUIN listed for ANTIOXIDANT, 21 CFR 73.275 where applicable; CAS 91-53-2. _(src: FDA EAFUS, CAS 91-53-2)_\n- **🇺🇸 AAFCO (US) — Ch.6**: No stand-alone AAFCO OP 2024 Ch.6 entry for this substance. AAFCO defines substances only where a corresponding feed ingredient is listed; where absent, the cell is an honest gap, not a claim of non-existence. _(src: AAFCO OP 2024 Ch.6 — gap)_\n\n\n- **🇨🇦 CA — Feeds Regs 2024 (CFIT)**: Ethoxyquin — is 1, 2-dihydro-6 ethoxy- 2, 2, 4-tri-methylquinoline, generally expressed as C14H19NO, and having the CAS# 91-53-2. This ingredient is approved for use as an antioxidant in an amount not to exceed 0.015% of the total diet for livestock species. It shall be labelled with the following statement: \"This ingredient is approved for use as an antioxidant in an amount not to exceed 0.015% of the total diet for livestock species.\" It shall be labelled with a guarantee for minimum percent ethoxyquin.  _(src: Canadian Feed Ingredients Table (CFIT), inspection.canada.ca; SOR/2024-132; feed additive listed under Part 1 > Class 6. Non-nutritive ingredients > 6.1 Preservatives, antioxidants, and stabilizers)_\n\n## Crosswalk verdict\n\nCN 公告2045 lists 乙氧基喹啉 (scope 养殖动物). FDA EAFUS lists ETHOXYQUIN (CAS 91-53-2, used for ANTIOXIDANT, 21 CFR 73.275) as a food substance. AAFCO OP 2024 Ch.6 has no stand-alone entry for this substance (honest gap). Verdict: CN↔US diverge in chemical form or regulatory framing; the pairing is the closest available US analogue, not a confirmed regulatory equivalence (EU noted as honest gap).\n\n\n## Species & use scope (适用范围)\n\nCross-jurisdiction species / use-scope dimension surfaced from each jurisdiction's retrieved source. CN 适用范围 is quoted verbatim from the 公告2045 饲料添加剂品种目录; EU target-species and FDA use-class reflect only what is already present in the topic's own cells (no new source fetches).\n\n- **🇨🇳 CN (公告2045 适用范围)**: 养殖动物  _(src: 农业部公告第2045号 饲料添加剂品种目录, 适用范围)_\n- **🇪🇺 EU (target species)**: honest gap — target-species / conditions of use not present in the currently retrieved EU source (conditions_of_use deferred).  _(src: EU Feed Additives Register — gap)_\n- **🇺🇸 FDA (EAFUS use class)**: ANTIOXIDANT  _(src: FDA EAFUS, re-surfaced from topic FDA cell)_\n\n## Sources\n\n- CN: 农业部公告第2045号 《饲料添加剂品种目录》 (first-hand; fujian compile txt, intra-cell line wraps normalised for verbatim quotation)\n- EU: EU Feed Additives Register (EU Food & Feed Information Portal) — searched pdf-parsed/eu_feed_additives_2023_1813.json; no current authorisation for this substance (honest gap, not fabricated).\n- FDA: FDA EAFUS \"Substances Added to Food\" (pdf-raw/fda_substances_added_to_food_20260718.csv, first-hand)\n- AAFCO: OP 2024 Ch.6 (pdf-parsed/us-2026/aafco_ch6_2024_parsed.json, first-hand)","sources":["additive-crosswalk — 乙氧基喹啉 — additive cross-jurisdiction identity (retrieved 2026-08-07)"],"source":{"authority":"additive-crosswalk","title":"乙氧基喹啉 — additive cross-jurisdiction identity","url":"https://www.aafco.org/","retrieved":"2026-08-07","ref":"","doc_type":"official PDF","source_document":"","verification_file":"pdf-raw/cn-law/cn_feed_additive_dir_ann2045_fujian_compile.normalized.txt ; pdf-raw/fda_substances_added_to_food_20260718.csv ; pdf-parsed/us-2026/aafco_ch6_2024_parsed.json ; pdf-parsed/eu_feed_additives_2023_1813.json ; pdf-parsed/ca_cfit_ingredients.json"},"source_document":"","source_file":"pdf-raw/cn-law/cn_feed_additive_dir_ann2045_fujian_compile.normalized.txt ; pdf-raw/fda_substances_added_to_food_20260718.csv ; pdf-parsed/us-2026/aafco_ch6_2024_parsed.json ; pdf-parsed/eu_feed_additives_2023_1813.json ; pdf-parsed/ca_cfit_ingredients.json","trust":{"authority_tier":"ungraded","fidelity":"verbatim","license":null,"display_grade":"pending"},"tokens_estimated":600,"generated_at":null,"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."}