Wednesday 25 August 2010

HALLUCINOGENIC PLANTS (PART 17)


JUREMA (Mimosa hostilis) is a poorly understood shrub, the roots of which provide the "miraculous jurema drink," known in eastern Brazil as ajuca or vinho de jurema. Other species of Mimosa are also locally called jurema. Several tribes in Pernambuco—the Kariri, PankarurĂș, Tusha, and Fulnio - consume the beverage in ceremonies. Usually connected with warfare, the hallucinogen was used by now extinct tribes of the area to "pass the night navigating through the depths of slumber" just prior to sallying forth to war. They would see "glorious visions of the spirit land . . . (or) catch a glimpse of the clashing rocks that destroy souls of the dead journeying to their goal or see the Thunderbird shooting lightning from a huge tuft on his head and producing claps of thunder . . ." it appears, however, that the hallucinogenic use of M. hostilis has nearly disappeared in recent times.

Little is known about the hallucinogenic properties of this plant, which was discovered more than 150 years ago. Early chemical studies indicated an active alkaloid given the name nigerine but later shown to be identical with N. N-dimethyltryphmine. Since the tryptamines are not active when taken orally unless in the presence of a monoamine oxidase inhibitor, it is obvious that the jurema drink must contain ingredients other than M. hostilis or that the plant itself must contain an inhibitor in its tissues.

The genus Mimosa, closely allied to Acacia and Anadenanthera, comprises some 500 species of tropical and subtropical herbs and small shrubs. The mimosas belong to the subfamily Mimosoideae of the bean family, Leguminosae. Most of them are American, although some occur in Africa and Asia. Jurema is native only to the dry regions of eastern Brazil.


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