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J Ethnopharmacol. 1994 Jul 8;43(2):157-9.

Occurrence of psilocybin and psilocin in Psilocybe pseudobullacea (Petch) Pegler from the Venezuelan Andes.

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Programa para el Estudio de la Biodiversidad Andina, Fundación para el Desarrollo de la Ciencia y la Tecnología, Fundacite Merida, Venezuela.


Using thin-layer chromatographic and spectroscopic (UV) methods two Psilocybe species from the Venezuelan Andes were analysed for the hallucinogens psilocybin and psilocin. These species are: P. montana (Pers. ex Fr.) Kumm and P. pseudobullacea (Petch) Pegler. Both hallucinogens were found in P. pseudobullacea, while P. montana was found to be exempt of these compounds.

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