An assessment of the dietary uptake of di-2-(ethylhexyl) adipate (DEHA) in a limited population study.
The plasticizer di-2-(ethylhexyl) adipate (DEHA), which may be present in food-contact films, can migrate into certain foodstuffs. Results from plasticizer migration studies into food have enabled an indirect estimate of the maximum daily dietary intake of DEHA. A previous study of the metabolism and pharmacokinetics of DEHA in humans identified the urinary metabolite 2-ethylhexanoic acid (EHA) as a useful marker metabolite for assessing DEHA intake. The present study was designed to investigate urinary EHA concentrations following a controlled dose of DEHA presented with food, and to assess the average daily intake of DEHA in a limited population survey. The urinary elimination profile of EHA, following a dose of DEHA in food, showed that in order to extrapolate DEHA intake from EHA measurements, a 24-hr urine sample was required. In the survey the elimination of EHA was determined in 24-hr urine samples in 112 individuals from five different geographical locations in the UK. No restrictions were placed on age or gender. Estimates of daily intake of DEHA show a skewed distribution with a median value of 2.7 mg. This is similar to an estimated maximum daily intake of 8.2 mg/day, derived using an indirect method by the UK Ministry of Agriculture, Fisheries and Food.[1]References
- An assessment of the dietary uptake of di-2-(ethylhexyl) adipate (DEHA) in a limited population study. Loftus, N.J., Woollen, B.H., Steel, G.T., Wilks, M.F., Castle, L. Food Chem. Toxicol. (1994) [Pubmed]
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