The ayahuasca, this mysterious drug that discreetly attracts all kinds of people… Source: http://www.lemonde.fr/archives/article/2008/07/25/l-ayahuasca-le-chamane-et-les-inities_1076871_0_2.html. Date: 25/07/2008 Kajuyali Tsamani pours the black juice of a bottle into a bucket of plastic. It is a decoction of ayahuasca, the mysterious mixture of Amazon shamans. It adds three good litres of water, stirring to the spatula, brown foam appears.