Prevalence and Risk Assessment of Aflatoxin in Iowa Corn during a Drought Year

Autor: Emily H. Branstad-Spates, Erin L. Bowers, Charles R. Hurburgh, Philip M. Dixon, Gretchen A. Mosher
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: International Journal of Food Science, Vol 2023 (2023)
Druh dokumentu: article
ISSN: 2314-5765
06699146
DOI: 10.1155/2023/9959998
Popis: 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 (p
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