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Assessment of the microbiological quality of popular food items on sale in secondary school canteens of Mauritius

机译:评估毛里求斯中学食堂出售的流行食品的微生物质量

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摘要

This study was carried out to assess the microbiological status of three hot meals served in eight selected school canteens of Mauritius, with two schools randomly selected from each of the four school zones of the island. Three individual samples of farata, panini, or fried noodles were collected at each school during two independent visits. The three individual samples of each food type collected during each visit were then pooled before being subjected to microbiological analyses. A total of 48 composite samples were analyzed. The parameters tested were Total Viable Count (TVC), Escherichia coli, Salmonella spp., Clostridium perfringens, Staphylococcus aureus, and Listeria spp. The microbiological analyses revealed that paninis were deemed as generally acceptable with TVC falling in the range of 3.0-5.7 Log CFU/g and undetectable levels of S. aureus and E. coli. In contrast, fried noodles and faratas harboured a moderately high level of TVC (4.4-6.7 Log CFU/g) and objectionably high levels S. aureus (3.1 to 5.0 Log CFU/g) and E. coli (3.1-5.1 Log CFU/g) for seven out of the eight schools.
机译:进行这项研究的目的是评估毛里求斯八个选定的学校食堂提供的三顿热饭的微生物学状况,从岛上四个学校区域中的每一个随机选择两所学校。在两次独立访问期间,每所学校分别收集了3份Farata,panini或炒面的样本。然后,在进行微生物分析之前,将每次访问期间收集的每种食物的三个单独样品汇总。总共分析了48个复合样品。测试的参数是总生存计数(TVC),大肠杆菌,沙门氏菌,产气荚膜梭菌,金黄色葡萄球菌和李斯特菌。微生物学分析显示,通常认为Paninis可以接受,TVC值落在3.0-5.7 Log CFU / g范围内,金黄色葡萄球菌和大肠杆菌的水平无法检测到。相反,炒面和法拉塔的TVC含量较高(4.4-6.7 Log CFU / g),而金黄色葡萄球菌(3.1-5.0 Log CFU / g)和大肠杆菌(3.1-5.1 Log CFU / g)八所学校中的七所。

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