ポリ塩化ビニリデンフィルム中の添加剤の食品中への移行

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The migration of acetyl tributyl citrate (ATBC) and di-butyl sebacate (DBS), which are used as additives in polyvinylidene chloride (PVDC) film, into fatty food simulants was studied. The fatty food simulants used in the tests were n-heptane, an edible oil, and three kinds of model fatty foods. The additives which migrated from the PVDC film into the fatty food simulants were extracted by solvents and determined by gas chromatography. The evaporating residue was also measured with the use of n-heptane, then the total migration amount was calculated. The results may be summarized as follows: (1) It was ascertained that, when n-heptane was used as a fatty food simulant, the total migration amount corresponded to the total quantity of additives extracted by n-heptane. (2) Upon heating at 90°C for 90 minutes, 30-160μg/g of ATBC and 45-290μg/g of DBS migrated from PVDC film into the model fatty foods. When n-heptane was used, migration of ATBC and DBS upon heating at 90°C for 90 minutes was 2.9-11.2 times and 1.5-8.3 times the above values, respectively. (3) The total migration amount into n-heptane upon heating at 150°F (about 66°C) for 120 minutes was 1.6-5.1 times that into model fatty foods upon heating at 120°C for 20 minutes. (4) In conclusion, the migration of additives from PVDC film into model fatty foods is small. Assuming that a person weighing 50kg takes 100g per day of foods containing these additives, the quantities of such additives which remain in his body are below the ADI (Ac-ceptable daily intake for man) value calculated by MCCOLLISTER.
公益社団法人日本水産学会の論文

ポリ塩化ビニリデンフィルム中の添加剤の食品中への移行

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