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  • Title: Identification and measurement of veterinary drug residues in beehive products.
    Author: Lozano A, Hernando MD, Uclés S, Hakme E, Fernández-Alba AR.
    Journal: Food Chem; 2019 Feb 15; 274():61-70. PubMed ID: 30372985.
    Abstract:
    There is an increasing concern about the negative impacts of veterinary drugs in beehive compartments. This study evaluates the presence and distribution of chemical residues in beeswax, bee bread and honey and determinates in what extension honeybees are exposed to them. Samples were analyzed by LC-MS/MS and GC-MS/MS with a wide scope of 322 chemical residues. Samples were collected from apiaries located in rural and forest areas, showing no difference in contamination of phytosanitary applications. Residues of acaricides used for sanitary treatments, coumaphos and two transformation products of amitraz (DMF and DMPF), were quantified at higher levels in wax and bee bread than in honey in most cases. Coumaphos, DMF and DMPF were detected in honey in the range 6-36 µg.kg-1; 45-541 µg.kg-1; 15-107 µg.kg-1, respectively. All, except one sample, were below the EU MRLs, 396/2005 Regulation. Other pesticide residues were detected in beeswax and bee bread at various levels.
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