Determining optimum conditions for biofilm formation by Salmonella isolates and anti-biofilm activity of cinnamon essential oil nanoemulsion.

IF 2.6 3区生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biofouling Pub Date : 2025-05-07 DOI:10.1080/08927014.2025.2499714

Fatemeh Dadkhah, Javad Aliakbarlu, Hossein Tajik

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Abstract

This study aimed to determine the optimum conditions for biofilm formation by Salmonella isolates and evaluate the effect of cinnamon essential oil nanoemulsion (CEON) against Salmonella biofilms formed under these conditions. The optimum conditions for biofilm formation by Salmonella serotype Enteritidis and Salmonella serotype Typhimurium were temperatures of 27.3 and 29.7 °C, pH levels of 6.3 and 6.8, and NaCl concentrations of 0.66 and 0.65%, respectively. CEON exhibited a significant inhibitory effect even at low concentrations, with a greater impact on the biofilm of S. Enteritidis compared to S. Typhimurium. The effectiveness of CEON in removing biofilms was increased with higher concentrations and longer contact times, with better results observed at 8 °C compared to 25 °C. In conclusion, CEON demonstrated excellent anti-biofilm activity against S. Enteritidis and S. Typhimurium biofilms, suggesting its potential use as a natural and effective disinfectant in the food industry.

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确定分离沙门氏菌形成生物膜的最佳条件及肉桂精油纳米乳的抗生物膜活性。

本研究旨在确定沙门氏菌分离物形成生物膜的最佳条件，并评价肉桂精油纳米乳（CEON）对沙门氏菌在此条件下形成的生物膜的影响。肠炎沙门菌和鼠伤寒沙门菌形成生物膜的最佳条件为温度27.3℃、pH 6.3℃、pH 6.8℃、NaCl浓度0.66、0.65%。CEON即使在低浓度下也表现出明显的抑制作用，对肠炎沙门氏菌生物膜的影响大于鼠伤寒沙门氏菌。CEON去除生物膜的效果随着浓度的增加和接触时间的延长而增加，在8°C的效果比在25°C的效果更好。综上所述，CEON对肠炎沙门氏菌和鼠伤寒沙门氏菌的生物膜表现出良好的抗生物膜活性，提示其在食品工业中有作为天然有效消毒剂的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Biofouling 生物-海洋与淡水生物学

CiteScore

5.00

自引率

7.40%

发文量

审稿时长

1.7 months

期刊介绍： Biofouling is an international, peer-reviewed, multi-discliplinary journal which publishes original articles and mini-reviews and provides a forum for publication of pure and applied work on protein, microbial, fungal, plant and animal fouling and its control, as well as studies of all kinds on biofilms and bioadhesion. Papers may be based on studies relating to characterisation, attachment, growth and control on any natural (living) or man-made surface in the freshwater, marine or aerial environments, including fouling, biofilms and bioadhesion in the medical, dental, and industrial context. Specific areas of interest include antifouling technologies and coatings including transmission of invasive species, antimicrobial agents, biological interfaces, biomaterials, microbiologically influenced corrosion, membrane biofouling, food industry biofilms, biofilm based diseases and indwelling biomedical devices as substrata for fouling and biofilm growth, including papers based on clinically-relevant work using models that mimic the realistic environment in which they are intended to be used.