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Erowid References Database

Leung YA, Smith AH, Paul AG. 
“Production of Psilocybin in Psilocybe baeocystis Saprophytic Culture”. 
J Pharm Sci. 1965;54:1576.
The carpophores of six species of mushrooms were analyzed by TLC for indole derivatives. Three species, Psilocybe baeocystis, P. carulipes, and P. strictipes, were found to contain psilocybin, and traces of psilocin were found to occur in the first two species. Neither compound could be detected in P. atrobrunnea, Stropharia aeruginosa, or S. semiglobata. Psilocybin has been isolated from P. baeocystis grown in submerged culture and identified by TLC, melting point, and ultraviolet and infrared spectra. Thin-layer chomotographic data for 36 indole derivatives in five solvent systems are included.
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