peracetic 酸和在灌循环系统中的 Salmonella 生物膜管理中的有效性
Rawane Raad1, Blanca Ruiz-Llacsahuanga1, Charles Bency Appolon1
1Department of Food Science and Technology, University of Georgia, Athens, Georgia, USA.
Applied and environmental microbiology
|December 19, 2025
概括
灌线中的鱼乳液化肥可以促进沙门氏菌生物膜的形成,可能污染作物. 乙酸和可以减少水中的沙门氏菌,但不能消除灌系统中已存在的生物膜.
科学领域:
- 农业科学 农业科学
- 微生物学 微生物学
- 环境科学 环境科学
背景情况:
- 灌系统中的生物污染降低了作物生产效率,并可能传播病原体.
- 灌线中的沙门氏菌生物膜对食品安全和农业可持续性构成风险.
研究的目的:
- 评估 peracetic 酸 (PAA) 和 (Cl) 对灌线中的沙门氏菌生物膜的有效性.
- 确定不同肥料对生物膜形成和病原体持久性的影响.
主要方法:
- 灌线用含沙门氏菌的池水和鱼类乳液 (O),合成肥料 (S) 或没有肥料 (NoFert) 来处理.
- 在水中的沙门氏菌种群和连接到管道的沙门氏菌种群在循环后得到量化.
- 评估了PAA和Cl在减少沙门氏菌中的有效性.
主要成果:
- 鱼类乳液 (O) 和无肥料 (NoFert) 处理支持三天内形成沙门氏菌生物膜,与合成肥料 (S) 不同.
- 在所有肥料处理过程中,PAA和Cl有效地减少了水样中的沙门氏菌.
- 没有消毒剂,沙门氏菌从O处理中分散,污染了随后的灌事件,而S和NoFert处理没有显示增殖.
结论:
- 鱼类乳液 (O) 促进了持续的沙门氏菌生物膜,如果系统没有冲洗,可能导致灌水污染.
- PAA和Cl有效地减少灌水中的沙门氏菌,但不能根除已建立的生物膜.
- 了解灌系统中的病原体行为对于实施有效的生物污染控制措施至关重要.
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