Food contamination from epoxy resins and organosols used as can coatings: analysis by gradient NPLC

被引:53
作者
Biedermann, M [1 ]
Grob, K [1 ]
机构
[1] Official Food Control Author Canton Zurich, CH-8030 Zurich, Switzerland
来源
FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT | 1998年 / 15卷 / 05期
关键词
bisphenol-A diglycidyl ether (BADGE); epoxy resins; Bisphenol-F diglycidyl ether (BFDGE); Novolak glycidyl ether (NOGE); canned foods;
D O I
10.1080/02652039809374688
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Normal phase LC with gradient elution enabled the analysis of a broadened range of oligomers of BADGE (Bisphenol-A diglycidyl ether) and Novolak compounds in canned foods, such as sea foods in oil, meat products and soups. A major component released from Bisphenol-A resins was identified as the cyclo-(Bisphenol-A monoglycidyl ether) dimer and was commonly present in foods at concentrations of around 1 mg/kg. For the epoxy Novolaks, concentrations of the three-to six-ring compounds often far exceeded those of BFDGE (Bisphenol-F diglycidyl ether) and reached 20 mg/kg in foods. A two-step acylation is proposed for the detection of epoxy components.
引用
收藏
页码:609 / 618
页数:10
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