Solid-to-Liquid Extraction for Analysis of Polyaromatic Hydrocarbons in Tahdig of Potato by GC/MS: Comparison between Traditional Solvent and Sonication Methodologies
الموضوعات :
Kosar Mahmood-babooi
1
(Department of Environmental Health, Food Safety Division, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran)
Behrouz Akbari-adergani
2
(Food and Drug Laboratory Research Center, Food and Drug Administration, Ministry of Health and Medical Education, Tehran, Iran)
Ali Salehi
3
(Department of Environmental Health, Food Safety Division, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran)
Parisa Sadighara
4
(Department of Environmental Health, Food Safety Division, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran)
الکلمات المفتاحية: Soxhlet, Potato, Polyaromatic hydrocarbons, Solid oil, Sonication extraction, Tahdig,
ملخص المقالة :
The main purpose of this study was to compare efficiency of two extraction methods for analysis of polyaromatic hydrocarbons (PAHs) in the tahdig of potato prepared with the solid edible oils. The PAHs separation was performed with conventional solvent extraction by Soxhlet and sonication methods. All samples were prepared under the same time (30 min) and temperature (180 °C) with solid edible oils. The extraction efficiencies were determined by subsequent optimized analysis by GC/MS. The amounts of extracted PAHs by Soxhlet and sonication methods were 74.2±3.8 and 136.7±2.1 µg/Kg, respectively. With the sonication, mean quantities of PAHs extracted from tahdig were 84% more than Soxhlet method and this improved limit of detection (LOD) and limit of quantification (LOQ) for some high molecular weight PAHs up to 0.01 and 0.03 µg/Kg, respectively. This study clearly demonstrated the sonication method was especially much efficient than the traditional Soxhlet method for detection of PAHs in the tahdig of potato with complicated matrix.
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