有机西班牙葡萄中的毒性Aspergillus多样性和真菌毒素
Clara Melguizo1, Andrea Tarazona2, Jéssica Gil-Serna1
1Department of Genetics, Phisiology and Microbiology, Faculty of Biological Sciences, University Complutense of Madrid, 28040 Madrid, Spain.
Toxins
|October 28, 2025
概括
有机西班牙葡萄含有低水平的甲毒素A (OTA),没有B2烟素或B1黄毒素. 这项研究确定了关键的毒性真菌,提供了关于有机葡萄种植中菌毒素污染的关键数据.
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:
- 葡萄容易受到毒性真菌的污染,如阿斯伯吉勒斯尼格里,产生甲毒素A (OTA) 和烟素B2 (FB2).
- 有机葡萄中毒性真菌群落和真菌毒素概况的研究有限,特别是在西班牙.
- 在某些地区,气候变化可能会使生产青素的真菌优于生产青素的真菌.
研究的目的:
- 为了研究有机西班牙葡萄中毒性真菌的多样性.
- 为了确定关键菌毒素的存在和水平:OTA,FB2和亚拉托克素B1 (AFB1).
- 提供关于西班牙有机葡萄种植中的真菌毒素污染的最新数据.
主要方法:
- 用于真菌识别,使用了特定物种的PCR协议.
- 超高性能液态染色学与喷电离子双重质谱学 (UPLC-ESI-MS/MS) 结合使用,用于真菌毒素分析.
- 分析包括有机种植葡萄中的OTA,FB2和AFB1.
主要成果:
- 发现的最常见的真菌物种是Aspergillus flavus,A. niger,A. parasiticus,A. steynii,A. carbonarius和A. westerdijkiae. 这些真菌物种中,最常见的真菌物种是A.
- 在19%的样本中检测到低水平的奥克拉托克辛A (OTA) (平均0.48 ng/g,峰值0.7 ng/g).
- 在任何分析的样本中都没有检测到富蒙尼辛B2 (FB2) 和亚弗拉托辛B1 (AFB1).
结论:
- 有机西班牙葡萄含有各种各样的有毒Aspergillus物种.
- 这些有机葡萄中的菌毒素污染,特别是OTA,低于以前报告的常规葡萄.
- 这项研究为西班牙有机葡萄中超越Aspergillus部分Nigri的真菌生物群和真菌毒素潜力提供了新的见解.
关键词:
亚斯珀吉洛斯 (Aspergillus) 是一种植物.非洲毒素B1是什么?富莫尼辛 B2 的使用.菌类毒素 (mycotoxins) 是一种有毒的物质.ochratoxin A 是一种毒素.有机葡萄是有机葡萄.有毒的真菌 有毒的真菌更多相关视频
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