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An active dose in adults is approximately 6 mg muscimol or 30 to 60 mg ibotenic acid; [56] [57] this is typically about the amount found in one cap of Amanita muscaria. [58] The amount and ratio of chemical compounds per mushroom varies widely from region to region and season to season, which can further confuse the issue.
Ibotenic acid or (S)-2-amino-2-(3-hydroxyisoxazol-5-yl)acetic acid, also referred to as ibotenate, is a chemical compound and psychoactive drug which occurs naturally in Amanita muscaria and related species of mushrooms typically found in the temperate and boreal regions of the northern hemisphere.
Amanita muscaria var. formosa, known as the yellow orange fly agaric, is a hallucinogenic and poisonous [1] basidiomycete fungus of the genus Amanita.This variety, which can sometimes be distinguished from most other A. muscaria by its yellow cap, is a European taxon, although several North American field guides have referred A. muscaria var. guessowii to this name. [2]
Amanita muscaria is edible if parboiled to leach out toxins; [19] fresh mushrooms cause vomiting, twitching, drowsiness, and hallucinations due to the presence of muscimol. Although present in A. muscaria , ibotenic acid is not in high enough concentration to produce any physical or psychological effects unless massive amounts are ingested.
As with all other muscaroid mushrooms, Amanita chrysoblema yellow-orange variant [citation needed] contains ibotenic acid, and muscimol, two psychoactive constituents which can cause effects such as hallucinations, synaesthesia, euphoria, dysphoria and retrograde amnesia. The effects of muscimol and ibotenic acid most closely resemble that of ...
As with other Amanita muscaria, the inzengae variety contains ibotenic acid, and muscimol, two psychoactive constituents which can cause effects such as hallucinations, synaesthesia, euphoria, dysphoria and retrograde amnesia. The effects of muscimol and ibotenic acid most closely resemble that of any GABAergic compound, but with a dissociative ...
Just one fly can lay up to 300 eggs at a time and is drawn "to the odor of a wound or natural opening on a live, warm-blooded animal."
Cases of serious toxicity have been reported in small children. [12] Amanita pantherina, while containing the same hallucinogens as Amanita muscaria (e.g., ibotenic acid and muscimol), has been more commonly associated with severe gastrointestinal upset than its better-known counterpart. [4]