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Prevalence and Risk Assessment of Aflatoxin in Iowa Corn during a Drought Yea
Authors
Erin L. Bowers
Emily H. Branstad-Spates
+3 more
Philip Dixon
Charles R. Hurburgh
Gretchen Mosher
Publication date
20 November 2023
Publisher
'Hindawi Limited'
Abstract
Warm temperatures and drought conditions in the United States (US) Corn Belt in 2012 raised concern for widespread aflatoxin (AFL) contamination in Iowa corn. To identify the prevalence of AFL in the 2012 corn crop, the Iowa Department of Agriculture and Land Stewardship (IDALS) conducted a sample of Iowa corn to assess the incidence and severity of AFL contamination. Samples were obtained from grain elevators in all of Iowa’s 99 counties, representing nine crop reporting districts (CRD), and 396 samples were analyzed by IDALS using rapid test methods. The statewide mean for AFL in parts per billion (ppb) was 5.57 ppb. Regions of Iowa differed in their incidence levels, with AFL levels significantly higher in the Southwest (SW; mean 15.13 ppb) and South Central (SC; mean 10.86 ppb) CRD () regions of Iowa. This sampling demonstrated high variability among samples collected within CRD and across the entire state of Iowa in an extreme weather event year. In years when Iowa has AFL contamination in corn, there is a need for a proactive and preventive strategy to minimize hazards in domestic and export markets.This article is published as Branstad-Spates, Emily H., Erin L. Bowers, Charles R. Hurburgh, Philip M. Dixon, and Gretchen A. Mosher. "Prevalence and Risk Assessment of Aflatoxin in Iowa Corn during a Drought Year." International Journal of Food Science 2023 (2023). doi: https://doi.org/10.1155/2023/9959998. Copyright © 2023 Emily H. Branstad-Spates et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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Last time updated on 11/01/2024