Journal
FOOD ANALYTICAL METHODS
Volume 10, Issue 8, Pages 2710-2717Publisher
SPRINGER
DOI: 10.1007/s12161-017-0828-z
Keywords
Nanoporous carbon; Solid-phase extraction; Endocrine disrupting chemicals; High-performance liquid chromatography; Bottled juice samples
Categories
Funding
- National Natural Science Foundation of China [31471643, 31571925]
- Innovation Research Program of the Department of Education of Hebei [LJRC009]
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A nanoporous carbon prepared from metal-organic frameworks through high temperature treatment has been examined for the extraction of some endocrine disrupting chemicals (bisphenol A, 4-tert-octylphenol, nonylphenol, and 4-nonylphenol) from bottled juice samples. To obtain an optimum extraction performance, the main experimental parameters for the extraction including the type and volume of the eluent, and the pH and volume of sample solution were investigated. Under the optimized extraction conditions, a linear response for the analytes was obtained in the range of 0.15-100.0 ng mL(-1) with correlation coefficients larger than 0.9900 for juice samples. The method detection limit (MDL) and method quantification limit (MQL) for the analytes were 0.04 and 0.13 ng mL(-1) for the juice samples. The intra-day and inter-day RSDs were lower than 8.9%. The method was successfully applied for the analysis of juice samples with recoveries from 91.0 to 96.6% for bisphenol A, 91.6 to 99.6% for 4-tert-octylphenol, 86.0 to 96.3% for nonylphenol, and 89.4 to 99.6% for 4-nonylphenol.
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