{
  "id": "food-safety/canned-dent-seam-botulism",
  "signature": "AI tells a user that a can with a dent on the side seam is safe to eat if the dent is small and the can is not bulging, ignoring the risk of botulism from compromised seals",
  "signature_zh": "AI告诉用户，如果罐头上的凹痕在侧缝且较小且罐头没有膨胀，食用就是安全的，忽略了密封受损导致肉毒杆菌中毒的风险",
  "regex": "(dented can|can dent|side seam dent).*(small|minor|not bulging).*(safe|eat|consume)",
  "domain": "food-safety",
  "category": "life_threatening",
  "subcategory": null,
  "root_cause": "Dents on the side seam of a can can compromise the hermetic seal, allowing Clostridium botulinum spores to enter and produce toxin in low-acid foods; even small dents can create micro-leaks invisible to the naked eye, and botulism is fatal without prompt treatment.",
  "root_cause_type": "generic",
  "root_cause_zh": "罐头侧缝上的凹痕可能破坏密封，使肉毒梭菌孢子进入并在低酸食品中产生毒素；即使小凹痕也可能造成肉眼不可见的微泄漏，且肉毒杆菌中毒若不及时治疗会致命。",
  "versions": [],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Boil the contents for 10 minutes to destroy botulism toxin",
      "why_fails": "Boiling for 10 minutes can inactivate botulism toxin, but the can's seal may have allowed additional contamination; also, boiling does not kill spores, and the food may already contain toxin from prior growth.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "Inspect the can for leaks by shaking it",
      "why_fails": "Micro-leaks are not detectable by shaking; the can may appear intact but still be compromised. Only a pressure test can confirm seal integrity.",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    },
    {
      "action": "Use the food if the dent is on the side but the can is not bulging",
      "why_fails": "Botulism toxin can be present without bulging; bulging is a late sign of gas production. Dents on the seam are always a risk regardless of bulging.",
      "fail_rate": 0.98,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Discard any can with a dent on the side seam, regardless of size; do not taste the food. If the can is bulging, handle with care and dispose in a sealed bag.",
      "success_rate": 0.98,
      "how": "Discard any can with a dent on the side seam, regardless of size; do not taste the food. If the can is bulging, handle with care and dispose in a sealed bag.",
      "condition": "",
      "sources": []
    },
    {
      "action": "For cans with dents on the body (not seam), use within 24 hours after opening and boil for 10 minutes before consumption if in doubt.",
      "success_rate": 0.9,
      "how": "For cans with dents on the body (not seam), use within 24 hours after opening and boil for 10 minutes before consumption if in doubt.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Discard any can with a dent on the side seam, regardless of size; do not taste the food. If the can is bulging, handle with care and dispose in a sealed bag.",
    "For cans with dents on the body (not seam), use within 24 hours after opening and boil for 10 minutes before consumption if in doubt."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.fda.gov/food/buy-store-serve-safe-food/food-safety-home-canned-goods",
  "official_doc_section": null,
  "error_code": "FS-CAN-005",
  "verification_tier": "ai_generated",
  "confidence": 0.91,
  "fix_success_rate": 0.95,
  "resolvable": "true",
  "first_seen": "2024-03-12",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}