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Bulletine of UASVM Animal Science and Biotechnologies
Year: 2011  |  Volume: 68  |  Issue: 1  |  Page No.: 15 - 21

Influence of UV Radiation upon Pesticide Residues from Contaminated Honey

Liviu Al. MARGHTAS, VICTORIŢA BONTA and Daniel S. DEZMIREAN    

Abstract: Contamination by synthetic chemicals residues reduces the efficacy of honey properties and increases the potential health risk to consumers. For extraction of 37 organophosphorous and organochlorine pesticides from honey was used QuEChERS procedure, a highly competitive chromatographic technique for GC-MS. After the exposure of contaminated honey with pesticides to the UV radiation (λ=254nm), for different periods, a decrease in concentration level in different proportions was found. For 44% of the pesticides, the total degradation was achieved, with a higher incidence for organophosphorus compounds. After maximum irradiation time (72 hours) the others pesticides showed different stabilities, most of them were retrieved in honey in different concentrations. Pesticides residues behavior to UV treatment was similar for the two honey types investigated.

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