|Other names||Ibotenic acid|
3D model (JSmol)
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|Molar mass||158.11 g/mol|
|Solubility in Methanol||Soluble|
|Except where noted otherwise, data are given for|
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
Ibotenic acid is a chemical compound that is naturally occurring in the mushrooms Amanita muscaria and Amanita pantherina, among others. Ibotenic acid is a powerful neurotoxin that is used as a "brain-lesioning agent" and has shown to be highly neurotoxic when "injected directly into the brains of mice and rats."
When ibotenic acid is ingested, a small portion is decarboxylated into muscimol. Ibotenic acid evokes entheogenic effects in human beings at doses in range of 50-100mg. Peak intoxication is reached approximately 2-3 hours after oral ingestion, consisting of one or all of the following; visual distortions/hallucinations, loss of equilibrium, muscle twitching (commonly mislabeled as convulsions), and altered sensory perception. These effects generally last for 6-8 hours, varying with dose.
Role in shamanic rituals
The ibotenic acid (coupled with other substances such as muscimol found in Amanita muscaria and Amanita pantherina) is a common factor in shamanic rituals, used as a sacrament, of sorts. Muscimol is excreted in the urine, and there are stories of shamans "reusing" urine for intoxication purposes.