Alkaloids from single skins of the Argentinian toad Melanophryniscus rubriventris (ANURA, BUFONIDAE): An unexpected variability in alkaloid profiles and a profusion of new structures

@inproceedings{Garraffo2012AlkaloidsFS,
  title={Alkaloids from single skins of the Argentinian toad Melanophryniscus rubriventris (ANURA, BUFONIDAE): An unexpected variability in alkaloid profiles and a profusion of new structures},
  author={H Martin Garraffo and Nirina Rabe Andriamaharavo and Marcos Vaira and Maria Florencia Quiroga and Cecilia I. Heit and Thomas F. Spande},
  booktitle={SpringerPlus},
  year={2012}
}
GC-MS analysis of single-skins of ten Melanophryniscus rubriventris toads (five collections of two toads each) captured during their breeding season in NW Argentina has revealed a total of 127 alkaloids of which 56 had not been previously detected in any frog or toad. Included among these new alkaloids are 23 new diastereomers of previously reported alkaloids. What is particularly distinguishing about the alkaloid profiles of these ten collections is the occurrence of many of the alkaloids… CONTINUE READING
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