Prehistoric psychotropic consumption in Andean Chilean mummies

Juan P. Ogalde¹, Bernardo T. Arriaza¹ & Elia Soto²

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1. Universidad de Tarapaca
2. Universidad Arturo Prat, Ciencias Quimicas y farmaceuticas

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Document Type:

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Date:

Received 29 November 2007 00:18 UTC; Posted 03 December 2007

Subjects:

Chemistry, Pharmacology

Tags:

• hallucinogenic plants
• psychoactive drugs
• andean prehistory
• Consciousness
• Ayahuasca

Abstract:

Hallucinogenic plants are often regarded as the main source of psychoactive drugs in antiquity to reach deep altered states of consciousness^1,2. Many researchers believe this was particularly true during the Tiwanaku empire expansion, circa (500-1000 A.D.), along the Atacama Desert of Chile. Highly decorated snuffing tablets and tubes are often found as grave goods during this period^3,4,5,6,7,8. Until now the type of drugs consumed in this paraphernalia has been unclear. From the modern city of Arica, naturally mummified human bodies with abundant hair provided a unique opportunity to test for hallucinogenic plants consumed in Andean prehistory. Analysis by gas chromatography and mass spectrometry demonstrated the presence of harmine. The Banisteriopsis vine, commonly called Ayahuasca, was the probable source. This is the first confirmed evidence of psychoactive plant consumption in pre-Hispanic Andean populations along the Atacama coastal region. Of the 32 mummy hair samples analyzed 3 males tested positive for harmine. This alkaloid aids in the catalysis and synergic effects of powerful hallucinogenic drugs. The consumption of harmine was likely related to medicinal practices and not exclusively ingested by shamans. Another important aspect of this evidence is that Banisteriopsis is an Amazon plant. It does not grow in the Atacama coastal region. Thus, our findings reveal extensive plant trade networks in antiquity between the coast, desert, highlands, and Amazon basin. The excellent preservation of human organic specimens, the use of gas chromatography and mass spectrometry allowed us to map and demonstrate the consumption of psychoactive compound plants in Andean prehistory. In addition, our findings open the door for future studies to debate the consumption and social role of ancient psychoactive and hallucinogenic plants.

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This document is licensed to the public under the Creative Commons Attribution 3.0 License

How to cite this document:

Ogalde, Juan, Arriaza, Bernardo, and Soto, Elia. Prehistoric psychotropic consumption in Andean Chilean mummies. Available from Nature Precedings <http://hdl.handle.net/10101/npre.2007.1368.1> (2007)

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Published version:

10.1016/j.jas.2008.09.036 (Peer Reviewed) Published in the Journal of Archaeological Science Volume 36, Issue 2, February 2009, Pages 467-472

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