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Banisteriopsis caapi

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Banisteriopsis caapi, also known as, caapi, soul vine, yagé (yage), or ayahuasca, the latter of which also refers to the psychedelic decoction made with the vine and a plant source of dimethyltryptamine, is a South American liana of the family Malpighiaceae. It is commonly used as an ingredient of ayahuasca, a decoction with a long history of its entheogenic (connecting to spirit) use and holds status as a "plant teacher" among the Indigenous peoples of the Amazon rainforest.

Banisteriopsis caapi
Young B. caapi
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Malpighiaceae
Genus: Banisteriopsis
Species:
B. caapi
Binomial name
Banisteriopsis caapi
Synonyms[2]
List
    • Banisteria caapi Spruce ex Griseb.
    • Banisteria inebrians (C.V.Morton) J.F.Macbr.
    • Banisteria quitensis Nied.
    • Banisteriopsis inebrians Morton
    • Banisteriopsis quitensis (Nied.) Morton

According to The CRC World Dictionary of Plant Names by Umberto Quattrocchi, the naming of the genus Banisteriopsis was dedicated to John Banister, a 17th-century English clergyman and naturalist. An earlier name for the genus was Banisteria and the plant is sometimes referred to as Banisteria caapi. Other names include Banisteria quitensis, Banisteriopsis inebrians, and Banisteriopsis quitensis.[3]

Description

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Caapi is a giant vine with characteristic 12–14 mm (0.5–0.6 in) white or pale pink flowers which most commonly appear in January, but are known to bloom infrequently. It resembles Banisteriopsis membranifolia and Banisteriopsis muricata, both of which are related to caapi.[3]

 
Caapi flowering

The vine can grow up to 30 m (98 ft) in length, twining on other plants for support.[4][unreliable source?]

Phytochemicals

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Alkaloids

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Caapi contains the following harmala alkaloids:

These alkaloids of the beta-carboline class act as monoamine oxidase inhibitor (MAOIs).[6] The MAOIs allow the primary psychoactive compound, DMT, which is introduced from the other common ingredient in ayahuasca Psychotria viridis, to be orally active.

The stems contain 0.11–0.83% beta-carbolines, with harmine and tetrahydroharmine as the major components.[5]

Alkaloids are present in all parts of the plant.[3]

Polyphenols

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In addition to beta-carbolines, caapi is known to contain proanthocyanidins, epicatechin and procyanidin B2, which have antioxidant properties.[7]

History

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First mention of caapi comes from early Spanish and Portuguese explorers and missionaries who visited South America in the 16th century, describing ayahuasca brews as "diabolic" and dangerous decoctions.[8]

Although utilised among the indigenous tribes of South America for hundreds and perhaps even thousands of years, caapi was not identified by westerners until 1851, when Richard Spruce, an English botanist, described it as a new species. He observed how Guahibos, the indigenous people of Llanos (Venezuela), chewed the bark of caapi instead of brewing it as a drink.[9]

Legality

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United States

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In the United States, caapi is not specifically regulated. A 2006 Supreme Court decision involving caapi-containing ayahuasca, which also contains other plants containing the controlled substance DMT, introduced from the Psychotria viridis component, Gonzales v. O Centro Espirita Beneficente Uniao do Vegetal, was found in favor of the União do Vegetal, a Brazilian religious sect using the tea in their ceremonies and having around 130 members in the United States.

Australia

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In Australia, the harmala alkaloids are scheduled substances, including harmine and harmaline; however, the living vine, or other source plants are not scheduled in most states. In the State of Queensland as of March 2008,[10] this distinction is now uncertain. In all states, the dried herb may or may not be considered a scheduled substance, dependent on court rulings.

Canada

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In Canada, harmala is listed under the Controlled Drugs and Substances Act as a schedule III substance. The vine and the ayahuasca brew are legal ambiguities, since nowhere in the Controlled Drugs and Substances Act is it stated that natural material containing a scheduled substance is illegal, a position supported by the United Nations International Narcotics Control Board.[11]

France

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Caapi, as well as a range of harmala alkaloids, are scheduled in France following a court victory by the Santo Daime religious sect allowing use of the tea due to it not being a chemical extraction and the fact that the plants used were not scheduled.[citation needed] Religious exceptions to narcotics laws are not allowed under French law, effectively making any use or possession of the tea illegal.[contradictory]

Patent

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The caapi vine itself was the subject of a dispute between U.S. entrepreneur Loren Miller and the Coordinating Body of Indigenous Organizations of the Amazon Basin (COICA). In 1986, Miller obtained a U.S. patent on a variety of B. caapi.[12] COICA argued the patent was invalid because Miller's variety had been previously described in the University of Michigan Herbarium, and was therefore neither new nor distinct.[13] The patent was overturned in 1999; however, in 2001, the United States Patent Office reinstated the patent because the law at the time the patent was granted did not allow a third party such as COICA standing to object. The Miller patent expired in 2003. B. caapi is now being cultivated commercially in Hawaii.[citation needed]

See also

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References

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  1. ^ "Banisteriopsis caapi". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 15 December 2017.
  2. ^ " Banisteriopsis caapi (Spruce ex Griseb.) Morton". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 18 December 2020.
  3. ^ a b c Rätsch, Christian (2005). The Encyclopedia of Psychoactive Plants: Ethnopharmacology and Its Applications. Inner Traditions/Bear. ISBN 9780892819782.
  4. ^ "Banisteriopsis caapi". theferns.info.
  5. ^ a b c d Callaway, J. C.; Brito, Glacus S.; Neves, Edison S. (June 2005). "Phytochemical analyses of Banisteriopsis caapi and Psychotria viridis". Journal of Psychoactive Drugs. 37 (2): 145–150. doi:10.1080/02791072.2005.10399795. PMID 16149327. S2CID 30736017.  
  6. ^ Samoylenko V, Rahman MM, Tekwani BL, Tripathi LM, Wang YH, Khan SI, Khan IA, Miller LS, Joshi VC, Muhammad I (February 2010). "Banisteriopsis caapi, a unique combination of MAO inhibitory and antioxidative constituents for the activities relevant to neurodegenerative disorders and Parkinson's disease". Journal of Ethnopharmacology. 127 (2): 357–67. doi:10.1016/j.jep.2009.10.030. PMC 2828149. PMID 19879939.
  7. ^ Wang, Y. H.; Samoylenko, V.; Tekwani, B. L.; Khan, I. A.; Miller, L. S.; Chaurasiya, N. D.; Rahman, M. M.; Tripathi, L. M.; Khan, S. I.; Joshi, V. C.; Wigger, F. T.; Muhammad, I. (2010). "Composition, Standardization and Chemical Profiling of Banisteriopsis caapi, a Plant for the Treatment of Neurodegenerative Disorders Relevant to Parkinson's Disease". Journal of Ethnopharmacology. 128 (3): 662–671. doi:10.1016/j.jep.2010.02.013. PMC 2878139. PMID 20219660.
  8. ^ "When and how was Ayahuasca discovered by the world outside the Amazon?". 4 May 2008.
  9. ^ Schultes, Richard Evans (1977). Hallucinogenic Plants. Golden Press. ISBN 0-307-24362-1.
  10. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2008-08-06. Retrieved 2008-08-26.{{cite web}}: CS1 maint: archived copy as title (link)
  11. ^ International control of the preparation "ayahuasca", letter from the United Nations International Narcotics Control Board
  12. ^ U.S. patent PP5751
  13. ^ "Situation of the patent for Ayahuasca". 7 July 2003. Archived from the original on 21 April 2011. Retrieved 10 June 2011.

Further reading

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