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Articles

Estimated US infant exposures to 3-MCPD esters and glycidyl esters from consumption of infant formula

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Pages 1085-1092 | Received 31 Dec 2017, Accepted 15 Mar 2018, Published online: 14 Jun 2018
 

ABSTRACT

A dietary exposure assessment was conducted for 3-monochloropropane-1,2-diol (3-MCPD) esters (3-MCPDE) and glycidyl esters (GE) in infant formulas available for consumption in the United States. 3-MCPDE and GE are food contaminants generated during the deodorisation of refined edible oils, which are used in infant formulas and other foods. 3-MCPDE and GE are of potential toxicological concern because these compounds are metabolised to free 3-MCPD and free glycidol in rodents and may have the same metabolic fate in humans. Free 3-MCPD and free glycidol have been found to cause adverse effects in rodents. Dietary exposures to 3-MCPDE and GE from consumption of infant formulas are of particular interest because formulas are the sole or primary food source for some infants. In this analysis, US Food and Drug Administration data on 3-MCPDE and GE concentrations (as 3-MCPD and glycidol equivalents, respectively) in a small convenience sample of infant formulas were used to estimate exposures from consumption of formula by infants 0–6 months of age. 3-MCPDE and GE exposures based on mean concentrations in all formulas were estimated at 7–10 and 2 µg/kg bw/day, respectively. Estimated mean exposures from consumption of formulas produced by individual manufacturers ranged from 1 to 14 µg/kg bw/day for 3-MCPDE and from 1 to 3 µg/kg for GE.

Acknowledgements

The authors gratefully acknowledge Alexandra Gavelek, who provided quality assurance of data, and the FDA-CFSAN experts who critically reviewed the manuscript.

Disclosure statement

No potential conflict of interest was reported by the authors.

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