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  • Title: Food contamination from epoxy resins and organosols used as can coatings: analysis by gradient NPLC.
    Author: Biedermann M, Grob K.
    Journal: Food Addit Contam; 1998 Jul; 15(5):609-18. PubMed ID: 9829047.
    Abstract:
    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.
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