在实际度下评估消毒,以控制新鲜桃上的Listeria monocytogenes和Salmonella
Xiaoye Shen1, Mengqian Hang1, Yuan Su1
1School of Food Science, Washington State University, Pullman, WA 99164, USA.
Foods (Basel, Switzerland)
|November 9, 2024
概括
有效地减少桃子上的李斯特菌和沙门氏菌,更高的度和更长的接触时间会产生更好的结果. 虽然能减轻交叉污染,但不能完全防止病原体的转移.
科学领域:
- 食品安全 食品安全
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- 食物传播的病原体,如Listeria monocytogenes和沙门氏菌,对桃子产业构成风险.
- 最近与受污染的桃子相关的疫情强调了需要有效的消毒方法.
研究的目的:
- 评估作为消毒剂对新鲜桃子上的Listeria monocytogenes和沙门氏菌的有效性.
- 评估在加工过程中控制桃子的交叉污染的能力.
主要方法:
- 桃子被接种了Listeria monocytogenes或沙门氏菌.
- 用不同度 (50-150 mg/L自由) 和接触时间 (30秒至2分钟) 处理.
- 评估了使用自来水和处理的交叉污染潜力.
主要成果:
- 证明了对这两种病原体的剂量依赖性疗效,更高的度和更长的接触时间显著增加了减少.
- 处理减少了酵母和菌种群.
- 的应用减轻了,但没有消除水果和水之间的病原体的交叉污染.
结论:
- 是一种有效的消毒剂,可以减少桃子上的李斯特菌和沙门氏菌.
- 优化的度和接触时间对于有效的病原体控制至关重要.
- 消毒方案应考虑的局限性,完全防止交叉污染.
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