Abstract
Ayahuasca is a psychotropic plant tea used by shamans throughout the Amazon Basin in traditional religious practices. This beverage combines the hallucinogenic properties of dimethyltryptamine (DMT), a serotoninergic agonist of 5-HT2A/2C receptors, with beta-carbolines, that are monoamino oxidase (MAO) inhibitors. The main beta-carbolines found in ayahuasca are harmine, harmaline and tetr…