A minor survey of deoxynivalenol in Fusarium infected wheat from Yangtze-Huaihe river basin region in China
文献类型: 外文期刊
第一作者: Cui, Li
作者: Cui, Li;Selvaraj, Jonathan Nimal;Xing, Fuguo;Zhao, Yueju;Zhou, Lu;Liu, Yang
作者机构:
关键词: Deoxynivalenol;Infected wheat;HPLC;China
期刊名称:FOOD CONTROL ( 影响因子:5.548; 五年影响因子:5.498 )
ISSN: 0956-7135
年卷期: 2013 年 30 卷 2 期
页码:
收录情况: SCI
摘要: Deoxynivalenol (DON) is frequently present in infected cereals such as wheat, barley and maize. Fusarium asiaticum and Fusarium graminearium are the key fungal species which produces DON, when they infect wheat in China. Our present study is to do a minor survey on the presence of DON in the highly infected wheat regions from Jiang su and An hui province. China, harvested during the year 2010. A total of 56 wheat samples which are naturally infected by Fusarium sp., of which 35 samples from Jiang su province and 21 samples from An hui province were taken up for the study. The samples were analyzed for the presence of DON by using high performance liquid chromatography (HPLC) combined with ultraviolet detection. The recoveries of DON from the spiked samples (500-15,000 mu g/kg) were obtained in the range of 85.7-90.2%, with the average relative standard deviation of 2.7%. The average percentage of contamination in all the samples was 89.3%, with the DON concentration ranging between 259 and 4975 mu g/kg, and with the mean of 1962 mu g/kg. According to the Chinese standard limits for DON, nearly 70% of the samples were above the maximum tolerable level of 1000 mu g/kg. However, only 44% of the samples exceeded the European commission limits for unprocessed wheat of 1750 mu g/kg. Regions where there was higher level of Fusarium sp. contamination due to climatic changes like heavy rainfall with high humidity, showed the presence of higher levels of DON in the samples. Cropping of Fusarium resistant wheat cultivars like Sumai 3 in the regions where the wheat is highly susceptible for the Fusarium contamination could help in the reduction of contamination in wheat. (C) 2012 Elsevier Ltd. All rights reserved.
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