Association between urinary levels of aflatoxin and consumption of food linked to maize or cow milk or dairy products

Fulvio Ferri, Carlo Brera, Barbara De Santis, Giorgia Collini, Enrica Crespi, Francesca Debegnach, Angelo Gargano, Daniela Gattei, Ines Magnani, Pamela Mancuso, Stefania Mozzanica, Elvira Teodori, Olivera Djuric, Paolo Giorgi Rossi

Research output: Contribution to journalArticlepeer-review

Abstract

The aim of this analysis was to assess the association between consumption of maize and dairy products and urine and serum levels of aflatoxin FM1 (AFM1) in a sample of 59 males occupationally exposed (29) and non-exposed (30) to aflatoxins. Two urine samples were collected for each person; each sample was accompanied by a questionnaire on food consumption in the preceding 96 h. Given the similar levels of contamination found in exposed and non-exposed workers, the association between food consumption and AFM1 levels was analyzed by pooling samples from exposed and non-exposed workers. No serum sample was found to be positive for AFM1, whereas 74% of the urine samples were positive; the average concentration of positive samples was 0.042 ng/mL (range < limit of detection (LoD) (0.002)-0.399 ng/mL). Of the 21 samples from maize consumers, 13 were positive for AFM1 (62%), with a mean concentration of 0.026 ng/mL (range 0.006-0.088 ng/mL), while 76% (74/94) of the samples from maize non-consumers were positive (mean 0.045, range < LoD (0.002)-0.399 ng/mL). No association was found with milk or dairy products. The high urine level of aflatoxins found in both exposed and non-exposed workers was not associated with the consumption of maize or cow milk products.

Original languageEnglish
Article number2510
JournalInternational Journal of Environmental Research and Public Health
Volume17
Issue number7
DOIs
Publication statusPublished - Apr 1 2020

Keywords

  • Aflatoxin M1
  • Aflatoxins
  • Animal feed
  • Maize
  • Occupational exposure

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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