Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/16512
Title: Accurate and sensitive determination of selected contaminants from food packaging materials
Authors: SUN CUILIAN
Keywords: can coatings, bisphenol A (BPA), bisphenol A diglycidyl ether (BADGE), photoinitiators, food packaging materials, migration
Issue Date: 17-Jul-2009
Source: SUN CUILIAN (2009-07-17). Accurate and sensitive determination of selected contaminants from food packaging materials. ScholarBank@NUS Repository.
Abstract: This research project investigated the migration of various types of contaminants from food packaging materials into food. The first section focuses largely on the development and optimization of various analytical methods for the investigation of bisphenol A (BPA), bisphenol A diglycidyl ether (BADGE), BADGE-H2O, BADGE-2H2O, BADGE-H2O-HCl, BADGE-HCl, BADGE-2HCl, bisphenol F (BPF), bisphenol F diglycidyl ether (BFDGE), BFDGE-2H2O, BFDGE-2HCl in inner coatings of canned foods, as well as their migrational tendency into food, using reversed phase high performance liquid chromatography (HPLC) with fluorescence detection, LC-Tandem MS, and ultra-performance liquid chromatograph (UPLC TM). In the second section, photoinitiators such as benzophenone, isopropyl-9H-thioxanthen-9-one, thioxanthen-9-one, 2,4-dimethylthioxanthone, and 2-chlorothioxanthen-9-one, from printed food packaging materials and beverages were also determined by the highly specific and sensitive LC-Tandem MS with electrospray ionization (ESI) using the multi-reaction monitoring mode. The well validated methods in this thesis have allowed for efficiency and convenience for food surveillance institutions.
URI: http://scholarbank.nus.edu.sg/handle/10635/16512
Appears in Collections:Ph.D Theses (Open)

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