Rapid determination of polycyclic aromatic hydrocarbons (PAHs) in tea using two-dimensional gas chromatography coupled with time of flight mass spectrometry

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22330%2F12%3A43894734" target="_blank" >RIV/60461373:22330/12:43894734 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.talanta.2012.07.081" target="_blank" >http://dx.doi.org/10.1016/j.talanta.2012.07.081</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.talanta.2012.07.081" target="_blank" >10.1016/j.talanta.2012.07.081</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Rapid determination of polycyclic aromatic hydrocarbons (PAHs) in tea using two-dimensional gas chromatography coupled with time of flight mass spectrometry

Popis výsledku v původním jazyce

A simple, fast, and cost effective sample preparation procedure has been developed and validated for the determination of 15+1 European Union Polycyclic Aromatic Hydrocarbons (15+1 EU PAHs) in dried tea leave samples. Based on a critical assessment of several sample extraction / clean-up approaches, the method based on the ethyl acetate extraction followed by the use of PAHs dedicated cartridges with molecularly imprinted polymers (MIPs) has been found as an optimal alternative in terms of time demandsand obtained good extract purity. For the final identification / quantification of target PAHs, two dimensional gas chromatography coupled to a time-of-flight mass spectrometry (GCxGC-TOFMS) was used. The performance characteristics of the overall analytical method for individual PAHs determined at three spiking levels (0.5, 2.5 and 5 ?g.kg-1) were in following ranges: limits of quantitation (LOQs) 0.05-0.2 ?g.kg-1, repeatabilities 2-9%, and recoveries 73-103%. The recoveries achieved by

Název v anglickém jazyce

Rapid determination of polycyclic aromatic hydrocarbons (PAHs) in tea using two-dimensional gas chromatography coupled with time of flight mass spectrometry

Popis výsledku anglicky

A simple, fast, and cost effective sample preparation procedure has been developed and validated for the determination of 15+1 European Union Polycyclic Aromatic Hydrocarbons (15+1 EU PAHs) in dried tea leave samples. Based on a critical assessment of several sample extraction / clean-up approaches, the method based on the ethyl acetate extraction followed by the use of PAHs dedicated cartridges with molecularly imprinted polymers (MIPs) has been found as an optimal alternative in terms of time demandsand obtained good extract purity. For the final identification / quantification of target PAHs, two dimensional gas chromatography coupled to a time-of-flight mass spectrometry (GCxGC-TOFMS) was used. The performance characteristics of the overall analytical method for individual PAHs determined at three spiking levels (0.5, 2.5 and 5 ?g.kg-1) were in following ranges: limits of quantitation (LOQs) 0.05-0.2 ?g.kg-1, repeatabilities 2-9%, and recoveries 73-103%. The recoveries achieved by

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

GM - Potravinářství

OECD FORD obor

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Projekt

<a href="/cs/project/LH11059" target="_blank" >LH11059: Inovativni strategie efektivní kontroly bezpečného produkčního řetězce potravin.</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Talanta

ISSN

0039-9140

e-ISSN

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Svazek periodika

2012

Číslo periodika v rámci svazku

100

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

10

Strana od-do

207-216

Kód UT WoS článku

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EID výsledku v databázi Scopus

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