土耳其瓶装水中的真菌污染物及其产生真菌毒素的潜力
Gülhan Tunç1, Fusun Uçar1, Osman Telli2
1Ege University, Department of Biology, Laboratory of Basic and Industrial Microbiology, Izmir, Turkey.
GMS hygiene and infection control
|August 29, 2025
概括
在瓶装水中发现菌污染物如Penicillium和Aspergillus, 这凸显了瓶装水安全标准需要包括真菌分析的必要性.
科学领域:
- 微生物学
- 食品安全问题
- 环境科学
背景情况:
- 目前关于瓶装水的公共卫生法规涉及化学污染物和微生物,但在真菌污染物方面存在差距.
- 商业瓶装水,特别是19-L聚碳酸盐瓶装水,被广泛使用,因此需要对其微生物质量进行彻底评估.
研究的目的:
- 调查来自西安纳托利亚的商业瓶装水中存在的真菌污染物和类型,并在伊兹密尔和周边省份销售.
- 识别真菌物种并评估它们产生真菌毒素的潜力,特别是氨酸.
主要方法:
- 使用膜过进行真菌查,数量以殖民地形成单位 (cfu)/100 ml表示.
- 使用聚合酶链反应 (PCR) 放大内部转录间隔器 (ITS) 区域和测序的真菌分离物的表型和基因型鉴定.
- 使用氨气蒸汽测试,液态染色体质谱 (LC-MS) 和高性能液态染色体测试 (HPLC) 查真菌毒素形成潜力.
主要成果:
- 发现的主要真菌菌株是Cladosporium,Penicillium和Alternaria.
- 检测出高水平的真菌毒素素 (411.586μg/l),超过了饮料的标准.
- 分子鉴定得到了actin基因区域的支持,证实了物种分配.
结论:
- 菌类污染物和真菌毒素在瓶装水中构成重大风险,应纳入水分析标准.
- 这项研究是土耳其首次针对瓶装水中的真菌污染和真菌毒素存在的详细研究.
- 这些发现强调了加强对瓶装水质量的监管的重要性, 以确保消费者的安全.
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