. Author manuscript; available in PMC: 2022 Mar 4.

Published in final edited form as: Nat Prod Rep. 2021 Mar 4;38(2):307–329. doi: 10.1039/d0np00033g

Table 1.

Approximate yields of iboga alkaloids isolated from the whole root bark of various sources. Percentages indicate the weight of the alkaloid free base relative to the weight of the plant source. TR = trace (< 0.01%). NR = Not Reported.

Plant Species	Ibogaine	Ibogamine	Voacangine	Coronaridine	Catharanthine
T. iboga^9,10,11,12	0.27–0.32	0.097–0.40	0.043–0.28	NR	NR
V. africana¹³	0.25	TR	1.67	TR	NR
T. arborea^13,12	0.27	0.036	0.96	0.073	NR
C. roseus¹⁴	NR	NR	NR	NR	0.003–0.099
T. alba¹²	0.046–0.22	0.042–0.30	0.033–0.96	0.075–0.52	NR
T. donnell-smithii¹²	0.069–0.74	0.028–0.032	0.21–0.44	0.046–0.23	NR
T. amygdalifolia¹²	0.047	0.76–0.96	0.19–0.22	1.092–1.38	NR