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首页> 外文期刊>Journal of the Science of Food and Agriculture >Attachment and colonization of Salmonella on 'Rayada', 'Golden Delicious', and 'Red Delicious' apples
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Attachment and colonization of Salmonella on 'Rayada', 'Golden Delicious', and 'Red Delicious' apples

机译：“rayada”，'金色美味'和'红色美味'苹果上的沙门氏菌附着和定殖

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摘要

BACKGROUND Fruits and vegetables have been associated with outbreaks of disease in different countries. The apple (Malus domestica Borkh) and its products have been reported as vehicles for illness outbreaks. To create strategies to prevent pathogen survival it is necessary to understand how pathogens persist on fruit. This paper assessed the ability of Salmonella to attach to, and to colonize, the surface of three apple cultivars: 'Rayada', 'Golden Delicious' and 'Red Delicious'. RESULTS Salmonella was able to colonize and generate biofilms on the surface of apples with a soil suspension as the only source of nutrients. Significant differences in Salmonella attachment were seen among the three cultivars of apple studied. Using SEM, attached cells and the formation of exopolysaccharides and biofilms on the three apple cultivars were demonstrated. In all cultivars, the development of Salmonella was only seen in apples stored at 15 and 22 degrees C, with average increases in the population of 1.4 and 2.3 Log CFU/apple, respectively. At 5 degrees C, Salmonella growth was inhibited. CONCLUSION Salmonella can colonize apple surfaces under environmental conditions (relative humidity, temperature and nutrients) occurring in primary apple production. (c) 2018 Society of Chemical Industry
机译：背景水果和蔬菜已与不同国家的疾病爆发有关。苹果（Malus Domestica Borkh）及其产品被报告为疾病爆发的车辆。为了创造预防病原体存活的策略，有必要了解病原体如何持续存在水果。本文评估了沙门氏菌的能力，并殖民，三个苹果品种的表面：'rayada'，'金色美味'和'红色美味'。结果Salmonella能够在苹果表面上进行殖民和生物膜，土壤悬浮液作为营养素的唯一来源。在研究的三种苹果中看到了沙门氏菌附着的显着差异。证明了使用SEM，附着细胞和三种苹果品种中的外核和生物膜的形成。在所有品种中，Salmonella的发育仅在储存在15和22摄氏度的苹果中，分别平均增加1.4和2.3对CFU / Apple的群体。在5℃下，抑制沙门氏菌生长。结论Salmonella可以在原发性苹果生产中发生环境条件（相对湿度，温度和营养素）下的苹果表面。 （c）2018化学工业协会

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