评估Helicobacter pylori在新鲜生肉中的流行:基于物种和来源的分析
Dhary A Almashhadany1, Sara M Mayas2, Abdulwahed A Hassan3,4
1Department of Medical Laboratory Science, College of Science, Knowledge University, Erbil 44001, Iraq.
Microorganisms
|February 27, 2026
概括
在也门12.4%的生肉样本中发现了Helicobacter pylori,在肉店的牛肉中流行率更高. 这凸显了生肉作为潜在的暴露来源,需要改善卫生条件.
科学领域:
- 微生物学 微生物学
- 食品安全 食品安全
- 公共卫生 公共卫生
背景情况:
- 杆菌是胃肠道疾病的重要原因之一.
- 人类感染可以通过食用受污染的食物而发生.
- 了解食物中的H. pylori储存库对于公共健康至关重要.
研究的目的:
- 为了确定H. pylori在也门Dhamar省各种动物来源的生肉中的流行率.
- 评估不同选择性媒介对H. pylori恢复的效率.
- 通过肉类识别H. pylori的潜在来源和传播途径.
主要方法:
- 从屠宰场,零售市场和屠宰店收集了380个生肉 (牛肉,绵羊肉,山羊肉) 样本.
- 使用了三种选择性介质:修改的坎比血 (MCA),贝洛霍里松特 (BHA) 和蛋黄乳液 (EYE) 用于细菌恢复.
- 根据肉类,来源和季节分析了患病率.
主要成果:
- 在12.4%的样本中检测到H. pylori;在牛肉中发病率最高 (15.2%).
- 肉店的流行率最高 (15.5%),尤其是牛肉 (19.1%).
- 与EYE (3.4%) 和BHA (2.4%) 相比,MCA介质显示了最高的恢复率 (6.6%).
结论:
- 生肉,特别是来自屠宰场的牛肉,是H. pylori暴露的潜在来源.
- MCA是从肉样本中恢复H. pylori的最有效的选择性介质.
- 建议加强卫生实践和监测,以减轻与肉类中的H. pylori相关的公共卫生风险.
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