maquira coriacea/cardenolide

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Cardiac glycosides isolated from the Indian-snuff, Maquira sclerophylla Ducke.

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Ingia / Ingia

The hydroalcoholic extract of the powdered bark of the Indian-snuff Maquira sclerophylla Duck was purified by column chromatography in silica-gel and the major cardenolide isolated from preparative TLC was identified by 1H-NMR, 12C-NMR and IR analyses. The spectra showed that the active substance

Constituents of the trunk bark of Maquira coriacea.

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Ingia / Ingia

The isolation of 14 known triterpenoids and phytosterols from the trunk bark of Maquira coriacea, and complete spectral data of a cardenolide, k-strophanthin-beta (1), are reported.

The Moraceae-based dart poisons of South America. Cardiac glycosides of Maquira and Naucleopsis species.

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Ingia / Ingia

The use of cardenolide-containing Moraceae in the dart poisons of South America is reviewed. Those prepared by the Chocó Indians of western Colombia--called niaará or kieratchi--have probably been made from the latex of Naucleopsis amara and N. glabra. In Ecuador, the Colorado Indians used N.

Pharmacology of an Indian-snuff obtained from Amazonian Maquira sclerophylla.

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Ingia / Ingia

The powdered bark of Maquira sclerophylla is consumed as snuff in north Brazil. Both the crude and the purified hydrosoluble extract (WP) injected i.p. in the dose range of 0.05-0.5 g/kg induced hyperexcitability, tremors, motor incoordination, ataxia, quietness and muscle relaxation in rats. The

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