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KMID : 0380620100420010008
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Korean Journal of Food Science and Technology
2010 Volume.42 No. 1 p.8 ~ p.13
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Determination of the Levels of Bisphenol A Diglycidyl Ether (BADGE), Bisphenol F Diglycidyl Ether (BFDGE) and Their Reaction Products in Canned Foods Circulated at Korean Markets
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Kim Hee-Yun
Lee Jin-Sook
Cho Min-Ja
Yang Ji-Yeon
Baek Ji-Yun
Cheong So-Young
Choi Sun-Hee
Kim Young-Seon
Choi Jae-Chun
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Abstract
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Bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE) were obtained by a polymerization reaction of epichlorohydrin (ECH) with bisphenol A (BPA) or bisphenol F (BPF). These compounds are commonly used as monomers or additives such as a polymerization stabilizer and a hydrochloric acid scavenger of epoxy resin, polyvinyl chloride (PVC)-containing organosols and polyester lacquers, that are applied to the internal surface of most canned foods to impart chemical resistance. The unreacted BADGE, BFDGE and their reaction products migrating from epoxy resin, PVC-containing organosol and/or polyester lacquer-based food packaging materials into the foods have recently become an issue of great concern because of increased customer demand for safety. This study was conducted to develop a rapid and sensitive simultaneous analysis method based on HPLC/FLD and HPLC/APCI-mass and to evaluate the concentration of BADGE, BFDGE and their metabolites, BADGE·H2O, BADGE·2H2O, BADGE·HCl, BADGE·2HCl, BADGE·HCl·H2O, BFDGE·H2O, BFDGE·2H2O, BFDGE·HCl, BFDGE·2HCl and BFDGE·HCl·H2O for 133 canned food samples. The method provided a linearity of 0.9997-0.9999, a limit of detection of 0.01-0.13 μg/mL, a limit of quantitation of 0.03-0.44 μg/mL and a recovery (%) of 85.64-118.18. The number of samples containing BADGE, BFDGE or their metabolites were: 28/133 (21.1%), with levels of 0.400-0.888 mg/kg being observed for aqueous foods (19/133) and 0.093-0.506 mg/kg being observed for oily foods (9/133).
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KEYWORD
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BADGE, BFDGE, BPA, BPF, ECH, epoxy resin
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