在不同环境条件下储存的玉米中菌毒素积聚的空间布局的调查
Ruth Kerry1, Ben Ingram2, Hamed K Abbas3
1Department of Geography, Brigham Young University, Provo, UT 84602, USA.
Toxins
|December 27, 2024
概括
这项研究表明,玉米中的真菌毒素污染不是随机的. 环境条件和储存位置显著影响着亚毒素和泽拉伦的空间分布,为针对性食品安全干预提供了信息.
科学领域:
- 食品科学 食品科学 食品科学
- 菌类学 菌类学是指菌类学.
- 农业科学 农业科学
背景情况:
- 菌毒素,真菌毒素,污染了玉米等主食作物.
- 当前的食品安全法规假定菌毒素分布均,这可能是不准确的.
- 了解空间变化对于准确的风险评估和减少食物浪费至关重要.
研究的目的:
- 在控制的储存条件下调查玉米中四种关键真菌毒素的空间分布.
- 确定温度,湿度和玉米清洁度对真菌毒素变异性的影响.
- 评估空间位置对真菌毒素污染水平的影响.
主要方法:
- 玉米样本 (干净和脏) 在环境柜中存储了两个月.
- 12个CO2/湿度/温度传感器被用于三层的每个 bin.
- 在传感器附近的样本上进行了mycotoxin分析 (aflatoxin,deoxynivalenol,fumonisin,zearalenone).
- 统计测试 (曼-惠特尼U,克鲁斯卡尔-瓦利斯H) 分析了空间和环境的影响.
主要成果:
- 根据环境条件和样本位置,发现了真菌毒素水平的显著差异.
- 阿弗拉托克辛和泽拉伦的度显示出最明显的变化.
- 菌毒素的空间分布模式受到温度和湿度梯度的影响.
结论:
- 玉米中的真菌毒素污染表现出显著的空间变异性,挑战了聚合采样方法.
- 环境因素和储存位置是真菌毒素分布的关键决定因素.
- 识别高风险区域和有利条件使得有针对性的干预措施能够减轻污染和减少食物浪费.
关键词:
非洲毒素 (aflatoxin) 是一种毒素.脱氧尼瓦伦诺 (deoxynivalenolenol) 是一种除氧剂.富莫尼西尼的存在菌类毒素 (mycotoxins) 是一种有毒的物质.空间变化的空间变化.没有一个Zearalenone更多相关视频
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