培训工具和建模,以制定风险排名和定量微生物风险评估奶酪在波兰和西班牙的食品沿线
Olga Sęczkowska1, Ana Baenas Soto2, Pablo S Fernández Escámez2
1Institute of Agricultural and Food Biotechnology - State Research Institute Lodz Poland.
EFSA journal. European Food Safety Authority
|December 17, 2025
概括
定量微生物学风险评估 (QMRA) 模型可以提高食品安全. 这项研究使用QMRA来评估手工奶酪中的Listeria污染,发现热乳处理是有效的,但高储存温度是危险的.
科学领域:
- 食品微生物学 食品微生物学
- 量化微生物学风险评估 (QMRA) 是一种方法.
- 食品安全工程 食品安全工程
背景情况:
- 随时准备好吃的食品,如手工奶酪,由于潜在的细菌污染,存在风险.
- 单细胞菌菌是一个重大的公共卫生问题,在工艺奶酪等食品中勃发展.
- 定量微生物学风险评估 (QMRA) 为稳健的食品安全管理提供了数学工具.
研究的目的:
- 在现代QMRA方法中使用实践方法培训学员.
- 进行关于手工奶酪微生物安全性的案例研究,重点关注Listeria monocytogenes.
- 开发和应用QMRA模型来评估消费者暴露和疾病风险.
主要方法:
- 进行了关于手工奶酪安全性的全面QMRA案例研究.
- 进行了微生物学实验,包括热无活化和生长研究.
- 利用R编程与生物失活,生物生长和生物风险包用于数据分析和建模.
主要成果:
- 在60°C下9分钟对牛奶进行热处理,实现了>6个Listeria的日志减少.
- 发现高储存温度 (25°C以上) 会促进奶酪中的李斯特菌的扩散.
- 基于预测微生物学的动力模型被开发和应用来估计消费者暴露.
结论:
- QMRA是评估和管理食品中的微生物危害的宝贵工具.
- 特定的加工参数 (热乳处理) 可以有效控制李斯特菌,而储存条件需要谨慎管理.
- 该研究证明了QMRA在评估手工奶酪食品安全风险方面的实际应用.
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