Results 21 to 30 of about 5,831 (197)

Una especie nueva de Tabernaemontana (Apocynaceae: Rauvolfioideae) de México, seriamente amenazada en su hábitat

open access: yesRevista Mexicana de Biodiversidad, 2012
Se describe una especie nueva de Tabernaemontana L. (Apocynaceae; Rauvolfioideae) del estado de Oaxaca, México. El presente taxón se distingue de las demás especies mexicanas del género por presentar frutos muricados.
Leonardo O. Alvarado-Cárdenas   +1 more
doaj   +1 more source

La familia Apocynaceae (Apocynoideae y Rauvolfioideae) en el estado de Morelos, México

open access: yesActa Botanica Mexicana, 2015
Se presenta el estudio de la familia Apocynaceae (Apocynoideae y Rauvolfioideae) en el estado de Morelos, México. Como resultado se encontraron diez géneros y 14 especies: Cascabela (2), Haplophyton (1), Laubertia (1), Mandevilla (3), Plumeria (1 ...
Edith González-Rocha   +1 more
doaj   +1 more source

Palinotaxonomia de espécies de Apocynaceae ocorrentes na Restinga de Carapebus, Carapebus, RJ, Brasil Palynotaxonomy of the species of the Apocynaceae occur on the "restinga" of the Carapebus, Carapebus, Rio de Janeiro State, Brazil

open access: yesActa Botânica Brasílica, 2004
Neste trabalho foram tratadas, palinologicamente, 11 espécies de Apocynaceae pertencentes a sete gêneros, ocorrentes na restinga de Carapebus, situada no litoral norte do Estado do Rio de Janeiro.
Fábio de França Moreira   +3 more
doaj   +1 more source

Yohimbine-related Alkaloids from

open access: yesNatural Product Communications, 2018
Five new yohimbine-type indole alkaloids were isolated from the leaves of Tabernaemontana corymbosa . Their structures were determined on the basis of the NMR and Circular Dichroism (CD) spectroscopy.
Alfarius Eko Nugroho   +5 more
doaj   +1 more source

Avaliação da atividade antimicrobiana in vitro do extrato de Tabernaemontana catharinensis A. DC Evaluation of in vitro antimicrobial activity of Tabernaemontana catharinensis A. DC. extract

open access: yesRevista Brasileira de Plantas Medicinais, 2011
Diversas espécies de Tabernaemontana têm sido estudadas devido a diversidade de alcalóides com atividade farmacológica. O objetivo desse trabalho foi avaliar a capacidade antimicrobiana in vitro do extrato das cascas do caule de Tabernaemontana ...
D.M Gonçalves   +4 more
doaj   +1 more source

Evaluation of the process of reabilitation of a stretch of Riparian forest in Itapemirim river watershed - ES [PDF]

open access: yes, 2010
Este estudo foi realizado em uma área de floresta ciliar em processo de recuperação mediante reabilitação.A área de estudo está localizada na sub-bacia hidrográfica do rio Itapemirim, no Município de Alegre, ES, Brasil.A ocupação e uso do solo antes da ...
AZEVEDO C. P.   +63 more
core   +3 more sources

Predicting tree distributions in an East African biodiversity hotspot : model selection, data bias and envelope uncertainty [PDF]

open access: yes, 2008
The Eastern Arc Mountains (EAMs) of Tanzania and Kenya support some of the most ancient tropical rainforest on Earth. The forests are a global priority for biodiversity conservation and provide vital resources to the Tanzanian population. Here, we make a
Akaike   +85 more
core   +2 more sources

Three New Indole Alkaloids from Tabernaemontana divaricata

open access: yesNatural Products and Bioprospecting, 2018
Three new monoterpene indole alkaloids, 3α-hydroxymethyl-ibogamine (1), 3α-acetatemethoxyl-ibogamine (2), 16α-hydroxyl-ibogamine (3) together with six known alkaloids were isolated from the branches and leaves of Tabernaemontana divaricata (Apocynaceae).
Yan Deng   +4 more
doaj   +1 more source

A NEW ALKALOID ISOLATED FROM Tabernaemontana hystrix Steud. (Apocynaceae) AND THE ANTIPROLIFERATIVE POTENTIAL OF THE ROOT BARK AGAINST HUMAN CERVICAL CANCER (HeLa) [PDF]

open access: yesQuímica Nova
Cervical cancer is the fourth most common cancer in the world and the third most common in Brazilian women. The search for compounds with anticancer potential is important, since cancer is a public health problem, and some drugs may lead to side effects.
Thalya S. R. Nogueira   +8 more
doaj   +1 more source

Vasorelaxant activity of indole alkaloids from Tabernaemontana dichotoma. [PDF]

open access: yes, 2013
The aim of this study was to search for bioactive natural products from medicinal plants targeting vasorelaxant activity and we found the methanol extract from bark of Tabernaemontana dichotoma showed vasorelaxant activity on rat aorta. We isolated eight
A Astulla   +48 more
core   +1 more source

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