Catuabines are a group of tropane alkaloid

Tropane alkaloid

Tropane alkaloids are a class of alkaloids and secondary metabolites that contain a tropane ring in their chemical structure...

s, isolated from Erythroxylum

Erythroxylum

Erythroxylum is a genus of tropical flowering plants in the family Erythroxylaceae. Many species contain the drug cocaine; Erythroxylum coca, a native of South America, is the main commercial source of cocaine and of the mild stimulant coca tea...

 vacciniifolium, which are used in the preparation of the drug Catuaba

Catuaba

The name catuaba is used for the infusions of the bark of a number of trees native to Brazil. The most widely used barks are derived from the trees Trichilia catigua and Erythroxylum vacciniifolium...

. While catuabine A, B and C were isolated and characterized by Graf and Lude (1977, 1978), catuabine D was recently isolated by Zanolari et al. The catuabines are not known to have any physiological effects, this is in contrast to cocaine

Cocaine

Cocaine is a crystalline tropane alkaloid that is obtained from the leaves of the coca plant. The name comes from "coca" in addition to the alkaloid suffix -ine, forming cocaine. It is a stimulant of the central nervous system, an appetite suppressant, and a topical anesthetic...

, which is an active constituent of another species, Erythroxylum coca.