Daily Dietary Intake of Tributyltin, Dibutyltin, Triphenyltin and Diphenyltin Compounds According to a Total Diet Study in a Japanese Population.

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  • 日本人の食事経由のトリブチルスズ，ジブチルスズ，トリフェニルスズ及びジフェニルスズ化合物の摂取量
  • 調査・資料 日本人の食事経由のトリブチルスズ,ジブチルスズ,トリフェニルスズ及びジフェニルスズ化合物の摂取量
  • チョウサ シリョウ ニホンジン ノ ショクジ ケイユ ノ トリブチルスズ ジブチルスズ トリフェニルスズ オヨビ ジフェニルスズ カゴウブツ ノ セッシュリョウ

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Abstract

We report here on the dietary exposures of Japanese consumers to four kinds of organotin compounds, tributyltin (TBT), dibutyltin (DBT), triphenyltin (TPT) and diphenyltin (DPT), based on analyses with the 1998 total diet samples (14 food group composites). Daily intake was 1.7 μg/person (0∼4.7 μg/person) for TBT, 0.45 μg/person (0∼1.7 μg/person) for DBT, 0.09 μg/person (0∼0.25 μg/person) for TPT, and 0 μg/person for DPT, calculated based on ND (not detected)=0. Among 14 food groups, only food group 10 (fish and shellfish) contributed to the intakes of TBT and TPT. As compared with the data obtained by the Japanese total diet study in 1991, daily intakes of TBT had decreased by half and those of TPT by approximately 2%. Dietary exposures were generally low and below the provisional tolerable daily intake for TBT (2%) and the JMPR (Joint Meetings of the FAO and WHO Panel of Experts on Pesticides Residues) tolerable daily intake for TPT (0.3%).

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