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Nat Toxins. 1997;5(1):31-5.

Identification and estimation of microcystins in freshwater mussels.

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Tokyo Metropolitan Institute of Public Health, Japan.


Accumulation of microcystins mainly produced by cyanobacteria Microcystis was investigated for freshwater mussels and fishes collected from a lake where heavy blooms of Microcystis occurred every year. The identification of microcystins was performed by HPLC equipped with a frit FAB mass spectrometer. Microcystins LR and RR were identified in the mussels Unio douglasiae and Anadonta woodiana, whereas no microcystin was identified by the present method in fishes, such as Cyprinus carpio, Carassius carassius, and Hypomesius transpacificus.

[Indexed for MEDLINE]

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