镰刀菌自然侵染的冬小麦发芽时脱氧雪腐镰刀菌烯醇的增加

Increase of Deoxynivalenol during the malting of naturally Fusarium infected Chinese winter wheat

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中文摘要:在我国,小麦是酿造啤酒的重要辅助原料,但很容易受脱氧雪腐镰刀菌烯醇(DON)污染。为了评估小麦发芽时DON及产生它的镰刀菌的发展,本研究挑选了13个DON水平低于国家限值(1000μg/kg)的冬小麦样品,进行发芽实验。结果表明赤霉病小麦在发芽过程中DON有升高的风险。
外文摘要:Wheat constitutes a significant adjunct ingredient for beer brewing in China, but is prone to be contaminated with Deoxynivalenol (DON). To evaluate the development of DON and its producing-Fusariums in the malting, thirteen Chinese winter wheat samples of natural DON levels under the national standard limit (1000 μg/kg) were selected to malt in lab-scale. DON levels increased in the malting for all samples by 282% on average, and exceeded of 1000 μg/kg in 7 malts. Fate of DON and Fusariums in the malting was monitored for three samples with the relatively large increase of DON levels. Around 95% of initial wheat DON was washed away by steeping, but the DON level rose up to 7-fold in the following germination, which was caused by the growth of Fusariums with tri5 DNA level increasing by 28-fold averagely. Fifty-one percent of tri5 DNA in the germinated wheat was terminally denatured by high temperature in the kilning stage, but DON survived. About 26% of DON was get rid by de-rooting. The result highlighted the risk of DON increase in the malting of Fusarium Height Blight wheat.
外文关键词:Deoxynivalenol;Wheat;Malting;Fusariums;tri5 DNA;Fate
作者:Jin, Z;Cao, Y;Su, AM;Yu, YC;Xu, MW
作者单位:Nantong Coll Sci & Technol
期刊名称:FOOD CONTROL
期刊影响因子:3.388
出版年份:2018
出版刊次:5
点击下载:镰刀菌自然侵染的冬小麦发芽时脱氧雪腐镰刀菌烯醇的增加
  1. 编译服务:农产品质量安全
  2. 编译者:虞德容
  3. 编译时间:2018-08-22