加纳库马西城市售卖沙拉的微生物质量及其与胃肠道疾病的关系

J. Fung, B. Keraita, F. Konradsen, C. Moe, M. Akple
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引用次数: 22

摘要

在加纳库马西的城市环境中评估了食用沙拉对胃肠道疾病暴露的影响。收集数据的方法是对15名沙拉销售商和213名消费者进行横断面调查,并对96份即食沙拉样本进行微生物实验室分析。调查结果显示,街头售卖的沙拉比自助餐厅的沙拉污染更严重,每100克沙拉的耐热大肠菌群含量为4.00-5.43 log units, 32%的样本含有沙门氏菌,17%的样本含有蠕虫卵。总体而言,街头沙拉消费者与胃肠道疾病呈显著负相关(RR = 0.81),与自助餐厅消费者呈显著正相关(RR = 5.51)。然而,对相对风险的分层分析表明,社会经济状况中存在的其他风险因素,如卫生条件差,可能会产生强烈影响。我们建议对贫困城市地区胃肠道疾病的危险因素进行更综合的研究。
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Microbiological quality of urban-vended salad and its association with gastrointestinal diseases in Kumasi, Ghana
The influence of consumption of salads on exposure to gastrointestinal diseases was assessed in urban environments in Kumasi, Ghana. Data was collected using a cross-sectional survey involving 15 salad sellers and 213 consumers and microbiological laboratory analysis of 96 samples of ready-to-eat salad. Findings showed higher contamination in street-vended salads than those in cafeterias with thermotelerant coliforms levels of 4.00–5.43 log units per 100 g salad, 32% of samples had Salmonella sp ., and 17% had helminth eggs. Overall, there was an insignificant inverse relationship between salad consumption and gastrointestinal diseases among street salad consumers (RR = 0.81) and a strong positive relationship with cafeteria consumers (RR = 5.51). However, stratified analysis on relative risk showed a likelihood of strong influence from other risk factors embedded in socio-economic status such as poor sanitation. We recommend more integrated studies on risk factors for gastrointestinal diseases in poor urban areas.
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