FOOD-USDA-2024-007 food-safety life_threatening ai_generated true

人工智能告诉用户，如果罐子密封良好，自制罐装蔬菜是安全的，忽视了在未使用压力罐处理低酸食品时肉毒杆菌的风险

AI tells a user that home-canned vegetables are safe to eat if the jar seals properly, ignoring the risk of Clostridium botulinum in low-acid foods processed without a pressure canner

ID: food-safety/improper-canning-botulism

其他格式: JSON · Markdown 中文 · English
97%修复率
89%置信度
1证据数
2024-06-12首次发现

根因分析

肉毒杆菌孢子耐热，在低酸食品（pH >4.6）如蔬菜、肉类和鱼类中，能存活于沸水浴温度（100°C）；只有压力罐在240°F（116°C）或更高温度下才能破坏这些孢子，防止肉毒毒素形成。

English

Clostridium botulinum spores are heat-resistant and can survive boiling water bath temperatures (100°C) in low-acid foods (pH >4.6) like vegetables, meat, and fish; only pressure canning at 240°F (116°C) or higher destroys these spores, preventing botulism toxin formation.

generic

官方文档

https://nchfp.uga.edu/how/can-vegetables/canning-vegetables.html

解决方案

  1. 对所有低酸食品（蔬菜、肉类、家禽、鱼类）使用压力罐。按照USDA指南处理：例如，青豆在11 psi下处理20分钟（品脱）或25分钟（夸脱），海平面高度。
  2. 如果没有压力罐，可冷冻或脱水低酸食品代替罐装。或者用足够醋腌制蔬菜，确保pH低于4.6。

无效尝试

常见但无效的做法:

  1. 95% 失败

    Using a boiling water bath for low-acid foods like green beans or carrots; spores survive and can produce toxin in anaerobic jar environment.

  2. 80% 失败

    Adding lemon juice or vinegar to low-acid foods to increase acidity; this is only effective if pH is below 4.6, which is hard to guarantee without testing.

  3. 90% 失败

    Assuming that a 'sealed' jar with a popped lid indicates safety; botulism toxin can be present without visible spoilage.