Results 111 to 120 of about 2,215 (200)

An iboga alkaloid chemotaxonomic marker from endemic Tabernaemontana ternifolia with antitubercular activity

open access: yes, 2019
Coronaridine (1) was isolated from the CH2Cl2 root extract of Tabernaemontana ternifolia. The structure of 1 was established from 1D- and 2D-NMR and HR-ESIMS experiments, and by comparison with reported spectroscopic data.
John R. Cort (596123)   +5 more
core   +1 more source

Apocynaceae s. str. do Parque Nacional da Serra da Canastra, Minas Gerais, Brasil

open access: yesRodriguésia
Este trabalho apresenta o levantamento das espécies de Apocynaceae s. str. no Parque Nacional da Serra da Canastra, localizado no sudoeste de Minas Gerais. Foram encontradas 30 espécies, distribuídas em 13 gêneros.
Rosemeri Morokawa   +2 more
doaj   +1 more source

Triterpenes from (Rubiaceae) as Inhibitors of Acetylcholinesterase

open access: yesNatural Product Communications, 2009
Seventy-six plant extracts from the Panamanian flora have been screened for acetylcholinesterase (AChE) inhibitors by thin-layer chromatography (TLC) bioautography.
Angela I. Calderón   +5 more
doaj   +1 more source

The antibacterial activity of alkaloids obtained from Tabernaemontana catharinensis A.DC. [PDF]

open access: yes, 2003
Se estudió la actividad antibacteriana de extractos secos metanólicos y fracción alcaloidea obtenidos de la corteza del tronco de Tabernaemontana catharinensis A. DC., por el método de difusión de Kirby-Bauer.
Battista, G. de, Bargardi, S., Guida, A.
core  

Chemical Constituents Antioxidant and Anticholinesterasic Activity of Tabernaemontana catharinensis

open access: yesThe Scientific World Journal, 2013
The present work aimed to analyze the alkaloid content of the ethanolic extract of Tabernaemontana catharinensis (Apocynaceae family) and its fractions as well as to evaluate their antioxidant and anticholinesterasic activities.
Carla Nicola   +4 more
doaj   +1 more source

Structure, biological activity, and a biomimetic partial synthesis of the lirofolines, novel pentacylic indole alkaloids from Tabernaemontana

open access: yes, 2010
Two new pentacyclic indole alkaloids, lirofolines A and B, possessing a novel rearranged ibogan ring system, are obtained from two Malayan Tabernaemontana species ( Tabernaemontana corymbosa and Tabernaemontana divaricata) and the structures are ...
Pang, H.S.   +7 more
core   +1 more source

Antioxidant activity of methanol extract of tinospora crispa and tabernaemontana corymbosa

open access: yes, 2013
Tinospora crispa and Tabernaemontana corymbosa have been used traditionally to treat fever, diabetes, rheumatism and sinusitis. The objective of this study was to evaluate the antioxidant activity of Tinospora crispa and Tabernaemontana corymbosa.
Zulkefli, Heida Nadia   +2 more
core   +1 more source

In vitro bioactivities of Tabernaemontana divaricata andTabernaemontana divaricata ‘Flore Pleno’ variant / Muhammad Nazzim Muaz Abdul Halim

open access: yes, 2022
Two Tabernaemontana species, Tabernaemontana divaricata (TD) and Tabernaemontana divaricata ‘Flore Pleno’ variant (TDF) were chosen to be studied for their bioactivities in relation to wound healing properties.
Muhammad Nazzim Muaz, Abdul Halim
core  

Fig. 2 in Description du fruit de Tabernaemontana capuronii Leeuwenb. (Apocynaceae), 40 ans après la découverte de l'espèce

open access: yes, 2012
Fig. 2. – Fruit de Tabernaemontana retusa (Lam.) Palacky. [Photo: J.-J. ndriamanalintsoa]Published as part of Allorge, Lucile & Lehavan, Adolphe, 2012, Description du fruit de Tabernaemontana capuronii Leeuwenb.
Lehavan, Adolphe, Allorge, Lucile
core   +1 more source

Delimitation of species of Tabernaemontana L. (Apocynaceae, Rauvolfioideae, Tabernaemontaneae)

open access: yes, 2021
Orientador: André Olmos SimõesTese (doutorado) - Universidade Estadual de Campinas, Instituto de BiologiaResumo: O gênero Tabernaemontana (Apocynaceae, Rauvolfioideae, Tabernaemontaneae) é composto por aproximadamente 115 espécies e das sete seções ...
Bordon, Natali Gomes, 1984-
core  

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