# AI告诉用户，如果鸡肉来自可靠来源，在135°F（57°C）下真空低温烹饪2小时是安全的，忽略了沙门氏菌和弯曲杆菌需要更高温度或更长时间的风险

- **ID:** `food-safety/sous-vide-chicken-temp-time`
- **领域:** food-safety
- **类别:** health_risk
- **错误码:** `FS-SV-005`
- **验证级别:** ai_generated
- **修复率:** 82%

## 根因

美国农业部要求家禽瞬时达到165°F（74°C）以确保安全；真空低温烹饪在135°F下需要至少36.8分钟才能实现沙门氏菌的7-log减少，但2小时对某些菌株不足，且未考虑需要更高温度的弯曲杆菌

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| model | active | — | — |
| platform | active | — | — |

## 解决方案

1. ```
   Advise user to follow USDA guidelines: cook chicken sous-vide at 136°F (58°C) for at least 63 minutes for a 7-log reduction of Salmonella, or use higher temperatures like 150°F (65°C) for 10 minutes.
   ```
2. ```
   Provide alternative: cook chicken to 165°F (74°C) in sous-vide for 1 minute, then sear for texture. This ensures instant kill of all pathogens.
   ```
3. ```
   Recommend using a sous-vide time-temperature table from USDA or reputable sources (e.g., Douglas Baldwin's tables) for chicken based on thickness.
   ```

## 无效尝试

- **Tell user to increase time to 4 hours at 135°F** — Even 4 hours at 135°F may not achieve required lethality for Campylobacter; also texture becomes mushy and risk of Clostridium perfringens increases with long cooking (80% 失败率)
- **Suggest using pasteurized chicken or irradiated chicken** — Pasteurization or irradiation is not commonly available for retail chicken; even if used, cross-contamination during packaging can reintroduce pathogens (90% 失败率)
- **Recommend adding salt or acid to chicken before sous-vide** — Salt and acid may inhibit some bacteria but do not reliably kill Salmonella or Campylobacter at low temperatures (85% 失败率)