Abstract
Nonylphenol (NP), a suspected endocrine disrupting chemical, is widely used as additive of plastics as well as raw materials of surfactants. In this study, migration of NP from plastic tableware and food containers to fatty food simulants, n-heptane, was examined. Migration test was performed using n-heptane under 25°C for 1-h, and NP was quantified by GC/MS. NP was detected from 16 food-contact plastics out of 50 tested samples. Especially high amounts of NP more than one order of magnitude higher than limit of detection, were released from 5 samples (21-2485 ng/cm2), i.e., disposable cup, dish, and cap of food container made of polystyrene or polypropylene.
