{"hq_id":"hq-p-fod-000002","name":"Canned food and beverages","category":{"primary":"food_contact","secondary":"packaging","tags":["canned food","tinned food","BPA","can lining","food cans","canned beverages","soup","beans","tomatoes"]},"product_tier":"FOD","overall_risk_level":"low","description":"Metal cans — primarily steel (tinplate) or aluminum — used to package shelf-stable foods including soups, beans, tomatoes, fish, vegetables, fruit, and beverages. The interior of the can is coated with a lacquer or polymer lining to prevent corrosion and metal taste. Historically, the dominant lining material was BPA-based epoxy resin. Industry has progressively replaced BPA linings, but alternatives including BPS- and BPF-based linings may present similar endocrine concerns.","synthesis":{"derived_risk_level":"moderate","synthesis_confidence":0.559,"synthesis_method":"compound_composition","context_used":"human_infant","context_source":"product_users","exposure_modifier":1,"vulnerability_escalated":true,"escalation_reason":"Infant exposure group","compounds_resolved":4,"compounds_total":4,"synthesis_date":"2026-05-09","synthesis_version":"1.2.0","methodology_note":"exposure_modifier and adjusted_magnitude are computed from ALETHEIA-calibrated heuristics (route × duration × frequency multipliers, clamped to [0.5, 1.4]). Multipliers are directionally informed by EPA Exposure Factors Handbook (2011) and CalEPA OEHHA but are not regulatory consensus. See /api/methodology for full disclosure."},"hazard_summary":{"sensitive_populations":"pregnant women, children","overall_risk":"low","primary_concerns":["BPA migrates from can lining into food contents."],"exposure_routes":"direct oral ingestion"},"exposure":{"routes":["dermal"],"contact_types":["oral_direct"],"users":["adult","child","infant","pregnant"],"duration":"momentary","frequency":"regular","scenarios":["Incidental mouthing or hand-to-mouth transfer by children","Exposure during pregnancy with potential fetal transfer"],"notes":"Exposure is dietary — BPA and alternatives migrate from lining into food contents and are ingested. Heating canned food in the can (on stove) or purchasing hot-fill products increases migration. Acidic canned foods (tomatoes, citrus fruits, sauces with vinegar) show the highest BPA migration values. Infants fed canned formula or food are at higher relative exposure per body weight."},"consumer_guidance":{"red_flags":[{"indicator":"Canned tomatoes, tomato sauce, tomato paste","meaning":"Highly acidic food in prolonged contact with BPA can lining — among the highest BPA migration scenarios. Studies have measured BPA in commercial canned tomatoes at 10–50 ppb.","action":"Prioritize glass-jarred tomato products for regular use."},{"indicator":"Heating food in the can","meaning":"Elevated temperature dramatically increases BPA migration from epoxy lining into food.","action":"Transfer canned food to a pot, glass, or ceramic container before heating."},{"indicator":"'BPA-free' label without specifying the replacement","meaning":"BPS and BPF alternatives have comparable estrogenic activity to BPA in some assays. 'BPA-free' is not equivalent to 'endocrine-disruptor free.'","action":"Contact manufacturer to identify the specific replacement lining chemistry."},{"indicator":"Dented or damaged cans","meaning":"Physical damage to the lining can create areas of direct metal-to-food contact or compromise the integrity of the polymer lining.","action":"Discard heavily dented cans, especially if the damage is on a seam."}],"green_flags":[{"indicator":"Glass jar packaging","meaning":"No BPA or BPA alternative lining in contact with food.","verification":"Visual confirmation. Note: some glass lid seals may contain polymer sealants — inquire if concerned."},{"indicator":"Eden Organics BPA-free with oleoresin lining","meaning":"Eden has used oleoresin (plant-based resin) can linings for beans since 1999 — one of the earliest documented transitions to a non-BPA lining.","verification":"Verified by manufacturer and third-party testing."}],"what_to_ask":[{"question":"What is the specific lining chemistry in your cans?","why_it_matters":"The shift from BPA to BPS/BPF is widespread but not universally disclosed. Some brands still use BPA; others have replaced it with chemicals that may present similar concerns.","good_answer":"Specific lining chemistry named (oleoresin, acrylic, vinyl organosol) with third-party testing confirming endocrine inactivity.","bad_answer":"'BPA-free' without specification of the replacement."},{"question":"How frequently am I consuming canned foods, and which types?","why_it_matters":"BPA exposure from canned food is cumulative and highly variable by product type. Acidic products (tomatoes, citrus) are the highest-migration category.","good_answer":"Self-assessment: high canned tomato product consumption in BPA-lined cans warrants switching to glass.","bad_answer":"N/A"}],"alternatives":[{"name":"Fresh produce","notes":"No preservatives; retains more nutrients and has no expiration concerns"},{"name":"Frozen fruits and vegetables","notes":"Minimal processing; comparable nutrition to fresh with longer shelf life"}],"notes":null},"regulatory":{"applicable_regulations":[{"jurisdiction":"EU","regulation":"BPA ban in food contact materials (Regulation (EU) 2023/2055)","citation":null,"requirements":"BPA banned in all food contact materials and articles in the EU effective 2025 for most applications, with some phase-in periods for can coatings.","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":"src_003"},{"jurisdiction":"USA","regulation":"FDA 21 CFR 175.300 — BPA in food contact coatings","citation":null,"requirements":"FDA's 2024 position: 'dietary exposure to BPA from food contact is safe.' FDA has not banned BPA in can linings. FDA withdrew prior regulations permitting BPA in baby bottle linings (2012) and infant formula can linings (2013) due to abandonment by industry — not safety findings.","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":"src_004"},{"jurisdiction":"EU","regulation":"EFSA BPA re-evaluation (2023)","citation":null,"requirements":"EFSA 2023 opinion dramatically lowered the Tolerable Daily Intake (TDI) for BPA from 4 μg/kg bw/day to 0.2 ng/kg bw/day — a 20,000-fold reduction — concluding that current dietary BPA exposure poses a health concern. This reflects fundamental regulatory disagreement between EU (high concern) and US (low concern).","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":"src_005"}],"certifications":[{"name":"FDA 21 CFR","issuer":"FDA","standard":"21 CFR Parts 170-199","scope":"Food contact substances, indirect food additives, migration limits"},{"name":"EU 10/2011","issuer":"European Commission","standard":"Regulation (EU) No 10/2011","scope":"Plastic materials intended to come into contact with food"},{"name":"NSF/ANSI 51","issuer":"NSF International","standard":"NSF/ANSI 51 Food Equipment Materials","scope":"Materials used in commercial food equipment"}],"labeling":{"required_disclosures":[],"prop65_warning":{"required":null,"chemicals":[],"endpoint":null,"notes":null},"ghs_labeling":{"required":null,"signal_word":null,"pictograms":[],"hazard_statements":[],"notes":null},"hidden_ingredients":{"trade_secret_protected":null,"categories_hidden":[],"estimated_count":null,"known_concerns":null,"notes":null},"notes":null},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":true,"disposal_guidance":"Recycle by resin code if marked; check local program; food-soiled items may not be accepted","hazardous_waste":false,"expected_lifespan":"1-3_years"},"formulation":{"form":"composite_material","key_ingredients":[{"hq_id":"hq-c-ino-000014","name":"Steel substrate","role":"base_material","concentration_pct":"85"},{"hq_id":"hq-c-ino-000047","name":"Tin coating","role":"coating","concentration_pct":"3-5"},{"hq_id":"hq-c-org-000633","name":"Epoxy resin lining (BPA-based historical)","role":"liner","concentration_pct":"1-2"},{"hq_id":"hq-c-org-000043","name":"Lacquer topcoat","role":"coating","concentration_pct":"0.5-1"}],"certifications":[]},"materials":{"common":[{"material_id":"hq-m-str-000008","material_name":"Epoxy resin (BPA-based) can lining","component":"interior can coating","prevalence":"common","notes":"BPA-based epoxy linings remain in use for many canned food products globally, including some US brands that have not transitioned. BPA migrates into food contents, particularly under heat (hot-fill canning, retort sterilization). Acidic and fatty foods show higher BPA migration."},{"material_id":"hq-m-str-000024","material_name":"Aluminum (food-grade alloy)","component":"can body (beverage cans, some food cans)","prevalence":"very_common","notes":"Aluminum is the primary material for beverage cans (beer, soda, energy drinks). Steel (tinplate) is more common for larger food cans. The aluminum itself is not the primary hazard — the interior coating is. Planned: hq-m-str-000024."},{"material_id":null,"material_name":"BPS/BPF-based alternative linings","component":"interior can coating (BPA replacement)","prevalence":"common","notes":"Major food brands (Campbell's, Eden, etc.) have transitioned to 'BPA-free' linings using BPS, BPF, or oleoresin/acrylic alternatives. BPS (hq-c-org-000019) and BPF are structurally similar to BPA and show comparable estrogenic activity in some studies. 'BPA-free' does not mean 'endocrine-disruptor free.'"}],"concerning":[{"material_id":"hq-m-str-000008","material_name":"Epoxy resin (BPA-based) can lining","concern":"BPA migrates from can lining into food contents. Migration is accelerated by heat, acidity (tomatoes, citrus, vinegar-based foods), and fat content. A single serving of canned tomato soup can provide BPA exposure comparable to published human biomonitoring benchmarks.","compounds_of_concern":["hq-c-org-000006","hq-c-org-000019"],"source_refs":["src_001","src_002"]}],"preferred":[{"material_id":null,"material_name":"Glass jars (for foods)","why_preferred":"No polymer lining in contact with food; no BPA; no migration concern from container body. Glass lids may have plastisol seals — check composition.","tradeoffs":"Heavier; breakable; higher transport cost and carbon footprint per unit. Lids may still use polymer sealants."},{"material_id":"hq-m-str-000078","material_name":"Aseptic carton packaging (Tetra Pak type)","why_preferred":"Polyethylene food-contact layer (no BPA); lower migration than epoxy-lined cans for liquid products.","tradeoffs":"Complex multi-material construction makes recycling difficult. PE inner layer has its own (lower) additive concerns.","hq_id":"hq-m-str-000078"},{"material_id":null,"material_name":"Dried / fresh equivalents","why_preferred":"Eliminates the can lining exposure entirely. Dried beans, fresh tomatoes, frozen vegetables have no BPA risk from packaging.","tradeoffs":"Longer preparation time; reduced shelf stability; may have other pesticide/preservation concerns."}]},"compound_composition":[{"hq_id":"hq-c-org-000006","compound_name":"Bisphenol A","role":"compound_of_concern","typical_concentration":null},{"hq_id":"hq-c-org-000019","compound_name":"Bisphenol S (BPS)","role":"compound_of_concern","typical_concentration":null},{"hq_id":"hq-c-org-000403","compound_name":"Epichlorohydrin","role":"base","typical_concentration":null},{"hq_id":"hq-c-ino-000029","compound_name":"Aluminum","role":"base","typical_concentration":null}],"identifiers":{"common_names":["canned food and beverages","canned food","beverages","canned food and beverage"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Generic Mass-Market Brand A","manufacturer":"Consumer Products Corporation","market_position":"mass_market","notable":"Widely available mass-market option"},{"brand":"Generic Mass-Market Brand B","manufacturer":"Consumer Goods Ltd","market_position":"mass_market","notable":"Popular budget alternative"},{"brand":"Premium Brand A","manufacturer":"Premium Consumer Inc","market_position":"premium","notable":"Upscale premium positioning"},{"brand":"Professional Brand","manufacturer":"Professional Products Co","market_position":"professional","notable":"Professional/salon-grade option"},{"brand":"Specialty Eco-Brand","manufacturer":"Natural Products Ltd","market_position":"premium","notable":"Sustainable/natural product line"}],"brand_examples_disclaimer":"Representative branded products of this category. Concerning ingredients listed in materials.concerning[] apply to the category, not necessarily to every named brand. Specific formulations vary by SKU and may have changed since this record was written; consult the brand's current ingredient label before drawing brand-level conclusions.","sources":[{"id":"src_001","type":"journal","title":"Canned soup consumption and urinary bisphenol A: a randomized crossover trial","url":"https://doi.org/10.1001/jama.2011.1669","accessed":"2026-03-08","year":2011,"notes":"Harvard School of Public Health; 5-day canned soup consumption increased urinary BPA by 1,221% vs. fresh soup; JAMA"},{"id":"src_002","type":"journal","title":"BPA migration from food cans — systematic review","url":"https://doi.org/10.1016/j.foodchem.2016.09.147","accessed":"2026-03-08","year":2017,"notes":"Systematic review of BPA migration studies from epoxy-lined food cans; documents temperature and acidity effects"},{"id":"src_003","type":"journal","title":"EU Regulation (EU) 2023/2055 — BPA in food contact materials","url":"https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32023R2055","accessed":"2026-03-08","year":2023,"notes":"EU ban on BPA in food contact materials including can coatings"},{"id":"src_004","type":"fda","title":"FDA Update on Bisphenol A for Use in Food Contact Applications: January 2010","url":"https://www.fda.gov/food/food-additives-petitions/bisphenol-bpa-use-food-contact-application","accessed":"2026-03-08","year":2010,"notes":"FDA's position statement on BPA safety in food contact materials"},{"id":"src_005","type":"efsa","title":"EFSA re-evaluation of the risks to public health related to the presence of bisphenol A (BPA) in foodstuffs (2023)","url":"https://doi.org/10.2903/j.efsa.2023.6857","accessed":"2026-03-08","year":2023,"notes":"Landmark EFSA opinion setting TDI for BPA at 0.2 ng/kg bw/day — 20,000× reduction from prior TDI. Key document demonstrating regulatory disagreement on BPA risk."}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-13T22:19:35.309Z"}}