Aflatoxin M1 determination in infant formulae distributed in Monterrey, Mexico

Patricia A. Quevedo-Garza, Genaro G. Amador-Espejo, Rogelio Salas-García, Esteban G. Ramos-Peña, Antonio José Trujillo

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

© 2020 by the authors. The occurrence of aflatoxin M1 (AFM1) in infant formulae commercialized in the metropolitan area of Monterrey (Nuevo León, Mexico) was determined by using immunoaffinity column clean-up followed by HPLC determination with fluorimetric detection. For this, 55 infant formula powders were classified in two groups, starter (49 samples) and follow-on (6 samples) formulae. Eleven of the evaluated samples (20%) presented values above the permissible limit set by the European Union for infant formulae (25 ng/L), ranging from 40 to 450 ng/L. The estimated daily intake (EDI) for AFM1 was determined employing the average body weight (bw) of the groups of age in the ranges of 0–6 and 6–12 months, and 1–2 years. The results evidenced high intake values, ranging from 1.56 to 14 ng/kg bw/day, depending on the group. Finally, with the EDI value, the carcinogenic risk index was determined, presenting a high risk for all the evaluated groups. Based on these results, it is a necessary extra effort by the regulatory agencies to reduce the AFM1 presence in infant formulae consumed in Mexico.
Original languageAmerican English
JournalToxins
DOIs
StatePublished - 1 Jan 2020
Externally publishedYes

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