Results 11 to 20 of about 231 (103)
Risk of genetic vulnerability and aspects of the reproductive biology of Psychotria ipecacuanha (Rubiaceae), a threatened medicinal plant species of Brazilian forests [PDF]
Acta Botânica Brasílica, 2019 Psychotria ipecacuanha, commonly known as Ipeca, is a medicinal plant of pharmacological and economic value. The species is distylous; it has populations with two floral morphs, one with long and one with short styles.
Patrícia Campos da Silva +4 more
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Marcadores moleculares en raicilla (Psychotria ipecacuanha)
Tecnología en Marcha, 2005 Se caracterizaron por medio de la técnica de isoenzimas y RAPD 5 ecotipos de (Psychotria ipecacuanha). Los resultados obtenidos son parciales; sin embargo, es clara la presencia de polimorfismos en las diferentes enzimas analizadas. En lo que se refiere
Claudia Zúñiga-Vega +2 more
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Revista Colombiana de Biotecnología, 2014 Título en ingles: Advances in vitro propagation via somatic embryogenesis of Psychotria ipecacuanha (Brot.) Stokes, medicinal plant critically endangered Título corto: Avances en la propagación vía embriogénesis somática de Psychotria ipecacuanha Resumen:
Esther J. Naranjo +2 more
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Diferenciação morfológica e anatômica em populações de "ipecacuanha" - Psychotria ipecacuanha (Brot.) Stokes (Rubiaceae) [PDF]
Revista Brasileira de Botânica, 1999 Psychotria ipecacuanha e uma especie medicinal da familia Rubiaceae, importante pela producao em suas raizes do alcaloide emetina. Foram feitas analises das tres populacoes disjuntas que compoem a especie e que ocorrem na America Central (Nicaragua, Costa Rica e Panama) e Colombia, sul da Floresta Amazonica (Rondonia e Mato Grosso) e Mata Atlântica ...
ASSIS, MARTA CAMARGO DE +1 more
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Avaliação de diferentes sistemas de cultivo "in vitro" para a micropropagação de Psychotria ipecacuanha (Brot.) Stokes [PDF]
Revista Brasileira de Plantas Medicinais, 2002 This work was carried out with Psychotria ipecacuanha, a Brazilian medicinal plant the roots of which contain emetine. The main objective was to develop a protocol for the micro-propagation of these species, by testing different culture techniques, the temporary immersion system, and the semi-solid and liquid media systems.
Batistini, A. P. +3 more
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In vitro propagation of Psychotria ipecacuanha (Brot.) Stokes under different concentrations of Indoleacetic Acid [PDF]
Revista Fitos, 2018 Psychotria ipecacuanha, é uma planta medicinal nativa da América com a maior área de ocorrência no Estado de Mato Grosso - Brasil, críticamente ameaçada devido à sobreexploração das populações naturais. Devido à dificuldades na propagação convencional, o objetivo deste estudo foi a avaliação do efeito de diferentes concentrações do regulador de ...
Simone Da Silva +7 more
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Natural Plant Alkaloid (Emetine) Inhibits HIV-1 Replication by Interfering with Reverse Transcriptase Activity [PDF]
Molecules, 2015 Ipecac alkaloids are secondary metabolites produced in the medicinal plant Psychotria ipecacuanha. Emetine is the main alkaloid of ipecac and one of the active compounds in syrup of Ipecac with emetic property. Here we evaluated emetine’s potential as an
Ana Luiza Chaves Valadão +6 more
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Distyly and variation in floral traits in natural populations of Psychotria ipecacuanha (Brot.) Stokes (Rubiaceae) [PDF]
Revista Brasileira de Botânica, 2005 Psychotria ipecacuanha is a perennial, medicinal herb that grows in clusters in the understory of humid, shady areas of the Atlantic Rain Forest of southeastern Brazil. The present study characterized the variation in floral traits among 35 clusters from three natural populations of this plant species.
Rossi, Ana Aparecida B. +2 more
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Revista Fitos, 2013 This study aimed to seed germination and adventitious shoot regeneration from Psychotria ipecacuanha inverted hypocotyls. The results showed a percentage of 84.17% of seeds germinated with normal seedlings development. The germination started after the second day of cultivation and was observed up to 70 days.
Maurecilne da Silva +5 more
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Revista Fitos, 2020 Psychotria ipecacuanha, is a plant species with known medicinal properties that is critically endangered due to overexploitation of natural populations. Although the difficulties in conventional propagation by seed and by vegetative propagation are generally understood, the present study enhances our knowledge by describing efficient plant regeneration
Spartaco Astolfi-Filho +3 more
openaire +3 more sources