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Production of fumonisin B1 and B2 byFusarium moniliforme isolated from Korean corn kerneis for feed |
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| Authors: | Lee Ung-Soo Lee Myong-Yur Shin Kwang-Sop Min Yun-Sik Cho Chae-Min Yoshio Ueno |
| Institution: | 1. Department of Food Engineering, National Chung-Ju University, Jungwon Gun, 383-870, Chung-Buk, Korea 2. Department of Food Engineering, Chung-Buk National University, Cheong Ju, 360-763, Chung-Buk, Korea 3. Department of Mechanical Engineering, National Chung-Ju University, Jungwon Gun, 383-870, Chung-Buk, Korea 4. Department of Toxicology and Microbial Chemistry, Faculty of Pharmaceutical Sciences, Science University of Tokyo, Ichigaya Shinjuku-ku, 162, Tokyo, Japan |
| Abstract: | The natural occurrence of fumonisin B1 (FB1) and B2 (FB2), a promoter for hepatocarcinogenesis, was investigated in Korean corn kernels for feed by HPLC with fluorescence detection. From the 12 corn kernel samples, FB1 was detected in 5 samples at levels ranging from 53 to 1327ng/g, while FB2 was found in 4 samples from 69 to 680ng/g. In the positive samples, the average concentrations of FB1 and FB2 were 506 and 288ng/g, respectively. One sample (No. K3) showed the highest FB1 and FB2 contents as 1327 and 680ng/g, respectively. In the micrological survey on 5 positive samples for FB1 and FB2, 6 strains ofFusarium monlliforme were isolated, and all these isolates had a producibility of FB1 and FB1, with maximum levels of 80.7 to 180.9 g/g.Thisis the first report on the natural co-contamination of FB1 and FB2 in Korean corn kernels for feed, and on the ability ofF. moniliforme isolated from corn kernels for feed in Korea to produce FB1 and FB2. |
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