THE PAH COMPOSITION IN LIMPETS (PATELLA VULGATA L.) FROM THE COASTS OF SICILY (ITALY)

Abstract

This article examines the presence, distribution, nature and sources of 19 Polycyclic Aromatic Hydrocarbons (PAH), in Patellae (patella vulgate L.) and seaweed (vulva) sampled 10 in different stations of Sicilian coastal environments and analyzed for their polycyclic aromatic hydrocarbon (PAH) content. Analysis was performed by gas chromatography/mass spectrometry (GC/MS) with selected ion monitoring (SIM), 15 after saponification of the sample and clean up of the extract. In the limpets the total concentration of polycyclic aromatic hydrocarbons ranged from 34 to 750 μg/Kg of dry matrix. The relative standard deviation (RSD) of the replicas on the concentrations of individual compounds 20 ranged from 4 to 20%. The accuracy of method was estimated by analyzing "blank" samples spiked with known quantities of analytes and the recover percentage was 82 ± 12%. The detection limit (LOD) of analytical procedure was less than 0.2 μg/Kg d.w. for all analytes. The quantification 25 limit (LOQ) of analytical procedure was less 0.7 μg/Kg d.w. The resulting distributions and weight ratios of specific compounds are discussed in terms of sampling location and origin. The results obtained show that levels of contamination vary from one sampling station to the next, 30

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“…The advantages of use of animals and plants to evaluate environmental quality are reported in some articles [54][55][56][57][58]. A variety of vegetation samplers exposed to contaminants (organic compounds, metals, etc.)…”

Levels, fingerprint and daily intake of polycyclic aromatic hydrocarbons (PAHs) in bread baked using wood as fuel

“…Food of plant origin can be contaminated by an accumulation of PAHs if the edible part of the vegetable is exposed to an anthropyzed area [18,19].…”

“…Distributions of single compounds detected in bread baked with wood (1-15) and with other fuels(16)(17)(18)(19).…”

Supercritical Fluid Extraction of Polycyclic Aromatic Hydrocarbons from Seaweed Samples Before and After the Prestige Oil Spill

“…Gianguzza and Orecchio (2006) examine PAHs in different Sicilian coastal environments. The total concentration of PAHs investigated in seaweed varied from 23 to 36 mg/kg of dry sample.…”