2010
DOI: 10.1016/j.jtice.2009.07.003
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Comparison of liquid–liquid extraction and solid-phase extraction for the determination of polycyclic aromatic hydrocarbons in the milk of Taiwan

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Cited by 20 publications
(16 citation statements)
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“…There are various studies in the literature from different country that confirmed PAHs contamination in commercial milks [11][12][13][14][15][16], but data are lacking for commercialized samples in Turkey.…”
Section: Introductionmentioning
confidence: 99%
“…There are various studies in the literature from different country that confirmed PAHs contamination in commercial milks [11][12][13][14][15][16], but data are lacking for commercialized samples in Turkey.…”
Section: Introductionmentioning
confidence: 99%
“…Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. The determination of PAHs in milk has been reported by using HPLC with a fluorescence detector (HPLC-FLD) (Kishikawa et al 2003;Naccari et al 2011) and GC-MS (Aguinaga et al 2007;Aguinaga et al 2008;Chung et al 2010;Sanagi et al 2013;Kishikawa & Kuroda 2009). However, trace levels of PAHs and the complexity of the milk matrices make it inevitable that pre-concentration and clean-up steps must be included in the chromatographic analytical procedure.…”
Section: Please Scroll Down For Articlementioning
confidence: 99%
“…The most widely used technique for the extraction of PAHs from these matrices is liquid-liquid extraction, involving saponification of lipids by potassium hydroxide followed by organic solvent extraction (Grova et al 2000;Kishikawa et al 2003;Kishikawa & Kuroda 2009). Besides these extraction methods, solid phase extraction and solid-phase micro-extraction (SPME) (Aguinaga et al 2007;Lapole et al 2007;Rodil et al 2007;Aguinaga et al 2008;Chung et al 2010) have also been developed to reduce time and solvent usage. The above extracts were usually further cleaned-up by a column to remove the extractive impurities before final analysis.…”
Section: Please Scroll Down For Articlementioning
confidence: 99%
“…En este estudio la extracción de HAP por saponificación de la leche (variante A), difiere de otros estudios que muestran un predominio de HAP de APM con mayores concentraciones de PHE y ANT, así como la relación HAP de BPM y total de HAP que se ha reportado entre 50 y 68 % (17,23) . La ausencia de compuestos de APM en el método A, puede deberse a que las muestras analizadas presentan bajas concentraciones, aspecto que ha sido mencionado por otros autores (24) , por otra parte el empleo de 4 ml de muestras de leche, no es suficiente para sobrepasar el límite de detección de los HAP en nuestras condiciones (detector de ionización de flama).…”
Section: Introductionunclassified
“…Por otra parte, compuestos de BPM (2 y 3 anillos) en particular NAP, ACE y ACY no se informan en diversos estudios (9,17,23) , ya que reportan porcentajes de recuperación menores a 50, posiblemente por su alta volatilidad (17) . Sin embargo, es probable que el tiempo y la temperatura en la que se realiza la saponificación, jueguen un papel importante en los recobrados del mismo, en este estudio, se aplicó una temperatura de 40 o C pudiendo detectar los compuestos de BPM, similar a cuando se realiza la saponificación a 60 o C (24) , mientras la saponificación a 80 o C, solo detecta PHE y ANT (23) , lo que es evidencia, que la temperatura de saponificación es un punto crítico en la determinación de HAP (9) .…”
Section: Introductionunclassified