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Occurrence of Deoxynivalenol and Deoxynivalenol-3-glucoside in Hard Red Spring Wheat Grown in the USA

机译:美国硬红春小麦中脱氧雪腐酚和脱氧雪腐酚-3-葡萄糖苷的含量

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摘要

Deoxynivalenol (DON) is a mycotoxin found in wheat that is infected with Fusarium fungus. DON may also be converted to a type of “masked mycotoxin”, named deoxynivalenol-3-glucoside (D3G), as a result of detoxification of the plant. In this study, DON and D3G were measured using gas chromatographic (GC) and liquid chromatography-mass spectrometry (LC-MS) in wheat samples collected during 2011 and 2012 in the USA. Results indicate that the growing region had a significant effect on the DON and D3G (p < 0.0001). There was a positive correlation between both methods (GC and LC-MS) used for determination of DON content. DON showed a significant and positive correlation with D3G during 2011. Overall, DON production had an effect on D3G content and kernel damage, and was dependent on environmental conditions during Fusarium infection.
机译:脱氧雪腐烯酚(DON)是一种在小麦中发现的真菌毒素,感染了镰刀菌。由于植物的解毒作用,DON也可能转化为一种“掩盖的霉菌毒素”类型,称为脱氧雪茄烯醇-3-葡萄糖苷(D3G)。在这项研究中,使用气相色谱(GC)和液相色谱-质谱法(LC-MS)对美国在2011年和2012年收集的小麦样品中的DON和D3G进行了测量。结果表明,生长区域对DON和D3G有显着影响(p <0.0001)。用于测定DON含量的两种方法(GC和LC-MS)之间存在正相关。 DON在2011年与D3G呈显着正相关。总体而言,DON的产生对D3G含量和仁损害有影响,并且取决于镰刀菌感染期间的环境条件。

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