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The Religion with No Name · source record · paper

Investigating the psychedelic hypothesis of kykeon, the sacred elixir of the Eleusinian Mysteries

Antonopoulos, Romanos K.; Dadiotis, Evangelos; Ioannidis, Kostas; Cheilari, Antigoni; Mitsis, Vangelis; Garcia-Campaña, Ana M.; Gámiz-Gracia, Laura; Hernández-Mesa, Maykel; Narváez, Alfonso; Hoffman, Mark A.; Ruck, Carl A. P.; Gonou-Zagou, Zacharoula; Aligiannis, Nektarios; Magiatis, Prokopios · 2026

AI-verified citationSRC-ANTONOPOULOS-2026
identifier / locator
Scientific Reports 16: 8757 (2026-02-13). DOI: 10.1038/s41598-026-39568-3. PMC12982482
url
https://doi.org/10.1038/s41598-026-39568-3
verification note
DOI, journal, article number, date, and full author list verified via the Crossref API; open-access full text read at nature.com on 2026-08-25, including the results (48 experiments; complete ergopeptide hydrolysis at 5% w/v ergot, initial lye pH 12.5, 120 min reflux; 0.54 mg LSA and 0.48 mg iso-LSA per gram of ergot), the discussion's statement that no systematic residue research at Eleusis has ever been conducted or permitted, the closing feasibility-scope language, and the affiliations and declarations.
reliability notes
  • The one post-book development that directly tests a load-bearing mechanism of the Eleusinian hypothesis; peer-reviewed, methods fully published.
  • Interested-network authorship: three co-authors affiliated with the Hellenic Center for Entheogenic Research, plus Mark A. Hoffman (Wasson Ruck Entheogenic Research Institute) and Carl Ruck, the hypothesis's co-originator. The paper declares no competing interests and no external funding; the affiliations are stated openly. Independent replication is TIK-R002.
  • The authors themselves frame the result as feasibility, not evidence of ancient practice, and call for residue analysis of Eleusis material.

Evidence drawn from this source

Supports· strongTIK-E008

The 2026 lye-hydrolysis experiment: toxic ergopeptides to LSA/iso-LSA

what the source states
Across 48 experimental runs, pulverized Claviceps purpurea sclerotia refluxed in wood-ash-type lye at 5% w/v and initial pH 12.5 for 120 minutes showed complete disappearance of all six predominant toxic ergopeptides and their C-8 epimers (1H-NMR and UHPLC/Q-TOF-HRMS), with LSA and iso-LSA produced at 0.54 and 0.48 mg per gram of ergot; lower pH or shorter treatments left toxic ergopeptides detectable. The authors extrapolate that about 1 g of ergot per initiate could supply an active dose, state that "the focus of the study was to demonstrate the feasibility of this transformation in the specific historical-technological context," and close by calling for advanced organic residue analysis of archaeological material from Eleusis.
what we infer
The strongest post-book development that touches Eleusis: it retires "ergot necessarily means ergotism" as an objection at the level of possibility. What it does not do, by its own framing, is show anyone at Eleusis used the method — and the successful condition (strong lye, two hours hot, complete hydrolysis only at the highest pH) makes the historical reconstruction more demanding, not less: a specific controlled processing technology is now required, and no source attests one.
limitations
  • Interested-network authorship: co-authors include the hypothesis's originators (Ruck; the Wasson Ruck institute's Hoffman) and three members of an entheogenic-research center; formally declared no competing interests and no external funding. Independent replication with blinded variable-content ergot is TIK-R002.
  • Chemical safety shown as disappearance of the monitored ergopeptides — not a human safety trial, and no in-vivo psychoactivity data (TIK-R003).
  • Modern ergot from collections and field sources; the authors argue evolutionary continuity of ergot chemistry, which is an argument, not a measurement of ancient Greek ergot.
Qualifies· moderateTIK-E009

The empty cell at Eleusis, stated by the 2026 paper itself

what the source states
Addressing skeptics who note the absence of ergot residues in Eleusinian vessels, the paper states: "This absence, however, is not decisive, since no systematic research has ever been conducted or since permission for such has never been granted."
what we infer
Both sides argue from the same empty cell: proponents read "not yet tested," skeptics read "nothing found." The absence at Eleusis is an untested absence — which qualifies the headline claim in both directions and points the whole research agenda at TIK-R001, the rare case where the decisive test is blocked by administration rather than science.
limitations
  • A proponent-side characterization of the permissions history; the sanctuary authorities' side of that history is not in this record.