Cord Luellmann

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A total of 3917 honey samples and 119 'bee pollen' samples (pollen collected by honeybees) were analysed for pyrrolizidine alkaloids (PAs). Some 0.05 M sulphuric acid was used for extraction followed by a clean-up step by means of solid-phase extraction. Separation and detection was achieved by target analysis using an LC-MS/MS system. PAs were found in 66%(More)
Analysis of Swiss honeys for pyrrolizidine alkaloids Christina Kast*, Arne Dübecke, Verena Kilchenmann, Katharina Bieri, Michael Böhlen, Otmar Zoller, Gudrun Beckh and Cord Lüllmann Swiss Bee Research Centre, Agroscope, Schwarzenburgstrasse 161, 3003 Bern, Switzerland. Quality Services International GmbH, 28199 Bremen, Germany. Institute of Pollen Analysis(More)
According to both the European Council’s Honey Directive 2001/110/EC and the present Codex Aliminerius Honey Standard, filtration of honey is permitted. After this filtration process, the microscopic determination of the botanical and geographical origin of honeys is no longer possible since all the pollen has been removed. In many honey countries, there is(More)
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