Figure 4.

(A): THH levels in Banisteriopsis caapi samples collected in different regions; two samples collected in the State of Minas Gerais were not included. (B): Harmine levels in native and cultivated B. caapi samples. (C–E): β-carboline levels in different B. caapi samples. Hybrids include plants described as tucunacá with nodes (2 samples), caupuri without nodes (2 samples), pajezinho (1 sample), caboquinho (1 sample), and quebrador (1 sample). Levels are mean ± standard error of the mean (SEM). * p < 0.05; ** p < 0.01.