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Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2011 Jun;28(6):786-90. doi: 10.1080/19440049.2010.501824.

Determination of the cyanobacterial toxin cylindrospermopsin in algal food supplements.

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  • 1Bureau of Chemical Safety, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada.

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).

PMID:
21623503
PMCID:
PMC3118519
DOI:
10.1080/19440049.2010.501824
[PubMed - indexed for MEDLINE]
Free PMC Article
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