“…In spite of the globalization of ayahuasca use and the substantial number of studies showing a broad spectrum of therapeutic potential of ayahuasca, B. caapi , and β-carbolines [ 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 39 ], there are very few studies that examined the chemical profile of the beverage and the plant obtained from different sources. The first studies that investigated the levels of β-carbolines in B. caapi were conducted in the late 1960s to the 1980s and analyzed 6–7 plant samples collected in the Peruvian Amazon [ 4 , 33 , 34 , 40 ].…”