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Characterization and Identification of an Antimicrobial Compound Psilocybin from Psychedelic Mushroom.

Balakrishnan Karthiyayini, Nalliah Nithya Kalyani, Balakrishnan Gowdhami, Manickam Muthuselvam, Dhanasekaran Dharumadurai

Indian journal of microbiology June 1, 2025 DOI: 10.1007/s12088-024-01396-2 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Intervention Psilocybin
Topics Psilocybin
Keywords Minimum inhibitory concentration Psilocybe cubensis Psilocybin psilocybin Mind-altering properties
Citations 2
Key findings Psilocybin inhibited bacterial growth at 12.5 µg/mL and fungal growth at 6.25 µg/mL.

Abstract

The antimicrobial compound psilocybin possesses psychoactive properties with therapeutic applications. Psilocybin is the main component naturally present in psychedelic mushrooms and has been utilized in the treatment of depression and neurological disorders. In this study, psychedelic mushrooms were collected from Kodaikanal, Tamil Nadu. They underwent solvent extraction using High Performance Thin Layer Chromatography (HPTLC) and Liquid Chromatography-Mass Spectrometry (LC-MS). Psilocybin, the primary compound, was extracted and evaluated. The extracted psilocybin was then assessed for antimicrobial activity against bacterial and fungal strains using the well diffusion method. Furthermore, HPTLC and LC-MS were employed for the identification of the psilocybin compound. The Rf values of psilocybin were found to be 0.73 and 0.77. Psilocybin inhibited the growth of bacterial and fungal pathogens including Staphylococcus epidermidis, Pseudomonas aeruginosa, Candida tropicalis, and Trichophyton rubrum. The bacterial culture was inhibited at a minimum inhibitory concentration of 12.5 µg/mL, whereas fungal pathogens were inhibited at 6.25 µg/mL. Thus, the findings conclude that in addition to its psychoactive properties, psilocybin could be utilized to develop antimicrobial drugs in future studies with in vivo efficacy and toxicity assays.

Comparable studies

Other experimental studies on psilocybin, most cited first.

Study Year Design Participants
Psilocybin induces schizophrenia-like psychosis in humans via a serotonin-2 agonist action Healthy human volunteers 1998 Experimental study
Validation of the revised Mystical Experience Questionnaire in experimental sessions with psilocybin Participants in controlled laboratory experiments receiving a moderate to high oral... 2015 Validation study using pooled data from five laboratory experiments n = 184
Broadband Cortical Desynchronization Underlies the Human Psychedelic State Healthy human participants 2013 Experimental study
Long-term follow-up of psilocybin-assisted psychotherapy for psychiatric and existential distress in patients with life-threatening cancer Participants with cancer-related psychiatric distress who completed a parent randomized... 2020 Long-term within-subjects follow-up analysis n = 15
Enzymatic Synthesis of Psilocybin 2017 Laboratory study

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