We examined the alkaloid content of 13 specimens of the black and green poison frog Dendrobates auratus, from 3 locations on Oahu, HI. Alkaloids were analyzed by GC-MassSpec and by capillary NMR spectroscopy. Principal alkaloids included pumiliotoxin 251D and its analog, allopumiliotoxin 267A, homologous pumiliotoxins and decahydroquinoline dimers. Alkaloid profiles were compared to the same species previously collected on Oahu and in Panama to assess geographic and temporal variations in alkaloid content. Microsympatric arthropods from leaf litter were also collected and analyzed to assess dietary contributions.

Alkaloid constitutents of <i>Dendrobates auratus</i> from Oahu, Hawai'i

245th National Meeting (2013)

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Alkaloid constitutents of Dendrobates auratus from Oahu, Hawai'i