Z Naturforsch [C]. 2002 Jan-Feb; 57(1-2): 81-4.

Antinociceptive activity of the natural piperidine alkaloid hydrochlorides from Syphocampylus verticellatus.

Miguel OG, Santos AR, Calixto JB, Delle Monache F, Yunes RA.

Departamento de Farmacia, Universidade Federal do ParanÃ¡, Curitiba, Brazil.

In addition to 3'-methoxyluteolin and mixtures of sterols and triterpenes, the leaves of Syphocampylus Verticellatus yielded two piperidine alkaloid hydrochlorides, one of them has a novel structure. The alkaloids exhibit antinociceptive activity.