Paper Report for: Aguilera_2003_J.Agric.Food.Chem_51_5616
Reference
Title: Supercritical fluid extraction of pesticides from a table-ready food composite of plant origin (gazpacho) Aguilera A, Brotons M, Rodriguez M, Valverde A Ref: Journal of Agricultural and Food Chemistry, 51:5616, 2003 : PubMed
Supercritical fluid carbon dioxide extraction (SFE) has been evaluated for the extraction of 17 organohalogen and organophosphate pesticides in gazpacho (a table-ready food composite containing crude vegetables, white bread, vegetable oil, water, and other minor components) using anhydrous magnesium sulfate as drying agent. The effects of different parameters, such as fat content in gazpacho composites, magnesium sulfate/gazpacho ratio, supercritical fluid volume, pressure, temperature, and static modifier additions, on SFE recoveries from spiked gazpacho samples have been studied. Analyses were performed by gas chromatography (GC) with flame photometric (FPD), electron capture (ECD), and mass spectrometry (MSD) detectors. In most experiments, recoveries obtained for the nonpolar organohalogen pesticides were lower than those obtained for the most polar organophosphate pesticides, but overall pesticide recoveries determined by using the optimal SFE conditions indicate that SFE could be used to determine pesticide residue levels in gazpacho.
        
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Aguilera A, Brotons M, Rodriguez M, Valverde A (2003) Supercritical fluid extraction of pesticides from a table-ready food composite of plant origin (gazpacho) Journal of Agricultural and Food Chemistry51: 5616-21
Aguilera A, Brotons M, Rodriguez M, Valverde A (2003) Journal of Agricultural and Food Chemistry51: 5616-21