Quantification of folpet and phthalimide in tea and herbal infusions by LC– high-resolution MS and GC–MS/MS
| Autor: | Flavia Badoud, José Fernando Huertas-Pérez, Marion Ernest |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Health
Toxicology and Mutagenesis Metabolite High resolution Food Contamination Phthalimides Toxicology Quechers 01 natural sciences Gas Chromatography-Mass Spectrometry Phthalimide chemistry.chemical_compound 0404 agricultural biotechnology Tandem Mass Spectrometry Sample preparation Residue (complex analysis) Chromatography Tea Aspalathus Chemistry 010401 analytical chemistry Public Health Environmental and Occupational Health Verbena 04 agricultural and veterinary sciences General Chemistry General Medicine Green tea 040401 food science 0104 chemical sciences Gas chromatography–mass spectrometry Chromatography Liquid Food Science |
| Zdroj: | Food Additives & Contaminants: Part A. 36:109-119 |
| ISSN: | 1944-0057 1944-0049 |
| Popis: | Two methods based on a modified QuEChERS sample preparation and either LC coupled to atmospheric pressure ionisation and high-resolution MS or GC coupled to electron ionisation and tripled quadrupole MS have been assessed for the quantification of folpet and phthalimide in tea and other dry herbal infusions. Both methods have been fully validated in green tea and further checked in black tea, verbena and rooibos, and they performed according to the SANTE/11813/2017 criteria at the target LOQ concentration level (50 µg/kg). These methods allow the accurate quantification of folpet in the selected matrices according to the new EU residue definition, which includes phthalimide. Phthalimide is the main metabolite and degradation product of folpet, although according to recent studies, it could be generated from different sources than folpet breakdown, such as food processing or analysis by GC. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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