Mar 29, 2020

Longitudinal assessment of mycotoxin co-exposures in exclusively breastfed infants

BioRxiv : the Preprint Server for Biology
Frank PennekampBenedikt Warth

Abstract

Early-life development of infants may be critically affected by man-made or natural contaminants including mycotoxins. However, data on the occurrence of food contaminants in breast milk is scarce and prohibits a comprehensive exposure and risk assessment for mothers and their infants. Here, we present a longitudinal exposure assessment over the first 211 days of a single newborn girl (study A) by measuring multiple mycotoxins in milk. Eighty-seven consecutive breast milk samples were obtained from the newborns mother living in Austria and following a regular mixed local diet. Mycotoxins were analyzed by utilizing a highly sensitive LC-MS/MS approach covering 29 mycotoxins and key metabolites. In addition to this longitudinal study, three mothers provided breast milk samples each on five consecutive days, for a preliminary comparison of inter-day and inter-individual variation in exposures (study B). Study A revealed that mycotoxin occurrence in breast milk was limited to the emerging mycotoxins alternariol monomethyl ether (AME), beauvericin (BEA), enniatins (A, A1, B, B1) and to ochratoxin A (OTA), which is regulated in commercial infant food. These mycotoxins were, if present, mostly detected at very low concentrations (<10 ...Continue Reading

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Computer Software
Flow Cytometry
Size
Complement System Proteins
Health Services
Science of Morphology
Environment
Morphological
Anatomical Space Structure
Cell Differentiation Process

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