Occurrence of Fumonisin B1 in Corn from the Main Corn-Producing Areas of China |
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| Authors: | Hui-Zhi?Gong,Rong?Ji,Yan-Xi?Li,Hong-Yu?Zhang,Bing?Li,Yue?Zhao,Lin?Sun,Fei?Yu,Jun?Yang author-information" > author-information__contact u-icon-before" > mailto:yangjun@mail.cmu.edu.cn" title=" yangjun@mail.cmu.edu.cn" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author |
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| Affiliation: | (1) School of Public Health, China Medical University, Shenyang, Liaoning, 110001, China;(2) National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, 100021, China;(3) Central Laboratory, China Medical University, Shenyang, Liaoning, 110001, China |
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| Abstract: | Fumonisin B1 (FB1) is the most abundant of the fumonisin mycotoxins, mainly produced in maize by F. verticillioides and F. proliferatum. A total of 282 corn samples harvested in 2005 from six provinces, the main corn-producing areas of China, were analyzed for FB1 using high-performance liquid chromatography. All samples except one were (99.6%) positive for FB1 at levels varying from 3 to 71,121 ng/g with mean and median levels for all samples of 6,662 and 1,569 ng/g, respectively. During an analysis of the distribution pattern for FB1, it became apparent that 43.6% of tested samples had FB1 concentrations below 1,000 ng/g, while 25.2% contained in excess of 5,000 ng/g. The average exposure to FB1 (1.1 μg/kg body weight/day) is within the provisional maximum tolerable daily intake of 2 μg/kg body weight/day set by the Joint FAO/WHO Expert Committee on Food Additives. |
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| Keywords: | Corn China Fumonisin B1 HPLC Maize Mycotoxins |
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