Department of Biochemistry and Biotechnology, Center of Exact Sciences, State University of Londrina, Londrina, Parana, Brazil.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2008 Nov;25(11):1392-9. doi: 10.1080/02652030802136204.
Based on fungal and fumonisin contamination of 870 freshly harvested samples, the quality of corn used by processing industries in the Northern region of Parana State, Brazil (2003 and 2004 crop-year) was evaluated. Sampling was carried out for each crop at two points in the production chain, i.e. at reception by the processors and at the pre-drying step. Corn samples were more frequently contaminated with Fusarium sp. (100%) and Penicillium sp. (84.1-95.3%) than Aspergillus sp. (5.6-19.8%). Fumonisin B(1) (FB(1)) was detected in all samples from the two points in both crop-years. FB(1) levels ranged 0.02-11.83 microg g(-1) in the reception and 0.02-10.98 microg g(-1) in the pre-drying samples of the 2003 crop. Samples from the 2004 crop showed FB(1) levels ranging 0.03-12.04 microg g(-1) in the reception and 0.06-7.74 microg g(-1) in the pre-drying samples. FB(2) levels ranged 0.02-5.25 microg g(-1) in the reception and 0.01-7.89 microg g(-1) in the pre-drying samples (2003 crop-year). In samples from the 2004 crop, FB(2) levels ranged 0.02-6.12 microg g(-1) in the reception and 0.05-3.47 microg g(-1) in the pre-drying samples. Low fumonisin levels were detected in most corn samples used by processors in the Northern region of Parana State, showing a decreasing trend in fumonisin contamination over the years.
基于对巴西南部巴拉那州北部地区加工工业使用的 870 个新鲜收获样本的真菌和伏马菌素污染情况的研究，评估了 2003 年和 2004 年作物年度的玉米质量。在生产链的两个环节对每个作物进行了采样，即加工厂接收时和预干燥前。与曲霉菌（5.6-19.8%）相比，玉米样本中镰刀菌（100%）和青霉菌（84.1-95.3%）更为常见。在这两年的两个采样点的所有样本中都检测到了伏马菌素 B(1)（FB(1)）。2003 年收获季，接收样品中的 FB(1)水平为 0.02-11.83μg g(-1)，预干燥样品中的 FB(1)水平为 0.02-10.98μg g(-1)。2004 年收获季，接收样品中的 FB(1)水平为 0.03-12.04μg g(-1)，预干燥样品中的 FB(1)水平为 0.06-7.74μg g(-1)。接收样品中的 FB(2)水平为 0.02-5.25μg g(-1)，预干燥样品中的 FB(2)水平为 0.01-7.89μg g(-1)（2003 年收获季）。2004 年收获季，接收样品中的 FB(2)水平为 0.02-6.12μg g(-1)，预干燥样品中的 FB(2)水平为 0.05-3.47μg g(-1)。在巴拉那州北部地区加工工业使用的大多数玉米样本中，伏马菌素含量较低，表明多年来伏马菌素污染呈下降趋势。
