核破裂和储存条件对谷物堆中的菌生长的影响
概括
由于菌造成的谷物损失是显著的. 这项研究表明,核破裂类型和位置会影响压缩下的菌生长,为更好的谷物存储管理和食品安全提供了见解.
科学领域:
- 农业科学 农业科学
- 食品科学 食品科学 食品科学
- 菌类学 菌类学是指菌类学.
背景情况:
- 全球每年由于真菌毒素造成的粮食损失达到2.5亿.
- 在谷物处理过程中发生的机械损伤会造成骨折,导致菌的扩散.
- 骨折类型和位置对压缩下模具生长的影响尚未完全理解.
研究的目的:
- 调查不同核骨折类型和空间位置对菌增殖的影响.
- 了解一维 (1D) 压缩储存条件下的模具发展.
- 识别导致储存谷物中菌生长的因素.
主要方法:
- 在1D负载条件下模拟的谷物储存,使用九项测试.
- 研究了断裂类型和空间位置对模具的影响.
- 在不同的破裂场景中比较干物质损失,粒度温度和殖民地数量.
主要成果:
- 增加的水分含量导致了更高的压缩,更低的孔隙性和较高的谷物温度.
- 较高的谷物温度和更多的碎粒被确定为菌的主要原因.
- 特定的核骨折和位置显著影响了菌的扩散.
结论:
- 核内的暴露应优先进行查,以减少菌.
- 通风策略应该集中在仓库的中心,以减轻菌的生长.
- 了解断裂机制对于减少经济损失和提高粮食储存中的食品安全至关重要.
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