Taxonomic significance of alkaloids and iridoid glucosides in the tribe Psychotrieae (Rubiaceae)

Autor: Marcos Sobral, José Angelo S. Zuanazzi, Sílvia R. C. Lopes, Eduardo Luis Konrath, Amélia T. Henriques, Paulo Roberto Hrihorowitsch Moreno, Fabiane M. Farias, Gilsane Lino von Poser, Vitor Alberto Kerber
Rok vydání: 2004
Předmět:
Zdroj: Biochemical Systematics and Ecology. 32:1187-1195
ISSN: 0305-1978
Popis: Leaves of 15 Brazilian species of Psychotria, three of Rudgea and Palicourea rigida, were analyzed for their alkaloid and iridoid content. Alkaloids were found in three of Rudgea and 14 species of Psychotria, and iridoids were found in Psychotria leiocarpa, which produces asperuloside and deacetylasperuloside. Palicourea rigida yielded no alkaloids but loganin was isolated. The results illustrate the significance of the alkaloids in the chemotaxonomy of some taxa of Psychotrieae. The phytochemical data indicate that the American species of Psychotria with Palicourea could be joined to form the genus Heteropsychotria.
Databáze: OpenAIRE