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Estimated daily intake of plasticizers in 1-week duplicate diet samples following regulation of DEHP-containing PVC gloves in Japan

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Duplicate hospital diet samples obtained over 1 week in 2001 were analysed to estimate the daily intake of plasticizers and the results were compared with those obtained in 1999. The plasticizers quantified in this study were: dibutyl phthalate, butylbenzyl phthalate (BBP), di(2-ethylhexyl) phthalate (DEHP), diisononyl phthalate (DINP), di(2-ethylhexyl) adipate (DEHA), diisononyl adipate (DINA) and O-acetyl tributyl citrate (ATBC). Dipropyl, dipentyl, dihexyl and dicyclohexyl phthalate were also analysed but not detected. The analytical procedure for this follow-up study was essentially the same as in the previous one. Detection limits were 0.1-15.6 ng g−1 for each plasticizer. One-week duplicate diet samples provided by three hospitals in three remote prefectures of Japan were analysed as individual meals. DEHP was detected at 6-675 ng g−1 in 62 of 63 meals, significantly lower levels compared with those detected in 1999. Levels of DEHA and DINP also decreased. The mean intake of plasticizers estimated from all samples was 160 g DEHP day−1, 12.5 g DEHA day−1, 4.7 g DINP day−1 and 3.4 g BBP day−1. Levels of DINA were relatively high in meals from one hospital: in those meals, the average daily intake was 1338 g day−1. Those of ATBC were also higher in meals from another hospital: the average daily intake was 1228 g day−1. The sources of DINA and ATBC can be cling-film or sausage packaging.
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Keywords: GC/MS; adipate; duplicate diet sample; hospital food; intake; phthalate; plasticizer

Document Type: Research Article

Publication date: April 1, 2003

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