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Food-Borne Illness

 Karenia brevis exposure eliminates brevetoxin metabolism in oysters

Published in Medical Letter on the CDC and FDA, February 6th, 2005

Controlled exposures to Karenia brevis eliminated brevetoxin metabolism in the Eastern oyster (Crassostrea virginica).

"The metabolism and elimination of brevetoxins were examined in the Eastern oyster (Crassostrea virginica) following controlled exposures to Karenia brevis cultures in the laboratory. After a 2-day exposure period ({{approx}}62 million cells/oyster), elimination of brevetoxins and their metabolites was monitored by using liquid chromatography/mass spectrometry (LC/MS). Composite toxin in oyster extracts was measured by in vitro assay (i.e., cytotoxicity, receptor binding, and ELISA)," scientists writing in the journal...

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