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Effective control of Shigella contamination in different foods using a novel six-phage cocktail

文献类型： 外文期刊

作者： Shahin, Khashayar 1 ; Zhang, Lili 1 ; Delfan, Abbas Soleimani 1 ; Komijani, Majid 2 ; Hedayatkhah, Abolghasem 3 ; B 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Food Safety & Nutr, Key Lab Food Qual & Safety Jiangsu Prov State Key, Nanjing 210014, Peoples R China

2.Arak Univ, Fac Sci, Dept Biol, Arak 3815688349, Iran

3.Curtin Univ, Curtin Med Sch, Perth, WA, Australia

4.Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Suzhou, Peoples R China

5.Univ Isfahan, Fac Biol Sci & Technol, Dept Cell & Mol Biol & Microbiol, Esfahan, Iran

关键词： Shigella; Bacteriophage; Phage cocktail; Bio-control; Shigellosis

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：4.006； 五年影响因子：4.385 ）

ISSN： 0023-6438

年卷期： 2021 年 144 卷

页码：

收录情况： SCI

摘要： Shigella, the globally distributed causative agent of bacillary dysentery, is an important microbial contamination in raw and ready-to-eat foods. The recent commercial use of phage cocktails in the food industry is evidence that the method is a highly effective solution in controlling the pathogenic bacteria, especially the antibiotic-resistant strains. This research addresses the effects of a novel phage cocktail made of six different lytic bacteriophages to prevent drug resistant isolates of Shigella species in a wide variety of food products with a different matrix structure, viscosity, carbon content, and texture properties including cooked chicken, cherry tomato, yoghurt, cucumber and Chinese cabbage. After seven days of treatment with the phage cocktail, more than 99% of the bacterial count decreased compared to the control sample (P < 0.0001). The cocktail stability in dry conditions showed that the bacteriophages remain desirably active during food products' average shelf life. The prepared phage cocktail showed to be a very effective product for bio-controlling Shigella due to its high overlap of the host spectrums, the potential for use in a variety of foods, and stability in dry conditions.

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