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Determination of the cyanobacterial toxin cylindrospermopsin in algal food supplements

Authors
Journal
Food Additives & Contaminants Part A
1944-0049
Publisher
Informa UK (Taylor & Francis)
Publication Date
Volume
28
Issue
6
Identifiers
DOI: 10.1080/19440049.2010.501824
Keywords
  • Research Article
Disciplines
  • Physics

Abstract

For the analysis of blue–green algal food supplements for cylindrospermopsin (CYN), a C18 solid-phase extraction column and a polygraphitized carbon solid-phase extraction column in series was an effective procedure for the clean-up of extracts. Determination of CYN was by liquid chromatography with ultraviolet light detection. At extract spiking levels of CYN equivalent to 25–500 μg g−1, blue–green algal supplement recoveries were in the range 70–90%. CYN was not detected in ten samples of food supplements and one chocolate product, all containing blue–green algae. The limit of detection for the method was 16 μg g−1, and the limit of quantification was 52 μg g−1.

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