Results 21 to 30 of about 1,377 (166)

Nitensidine A, a guanidine alkaloid from Pterogyne nitens, induces osteoclastic cell death. [PDF]

open access: yesCytotechnology, 2015
Nitensidine A is a guanidine alkaloid isolated from Pterogyne nitens, a common plant in South America. To gain insight into the biological activity of P. nitens-produced compounds, we examined herein their biological effects on osteoclasts, multinucleated giant cells that regulate bone metabolism by resorbing bone. Among four guanidine alkaloids (i.e.,
Tajima Y   +8 more
europepmc   +5 more sources

Antimicrobial activity of Pterogyne nitens Tul., Fabaceae, against opportunistic fungi [PDF]

open access: yesRevista Brasileira de Farmacognosia, 2010
As part of our ongoing research on antifungal agents from Brazilian flora, eight extracts and twelve fractions from Pterogyne nitens Tul., Fabaceae, were screened for antimicrobial activity against four opportunistic fungi species (Candida albicans, Candida krusei, Candida parapsilosis and Cryptococcus neoformans) using a broth microdilution method ...
Regasini, Luis Octávio   +8 more
openaire   +4 more sources

Myeloperoxidase Inhibitory and Radical Scavenging Activities of Flavones from Pterogyne nitens

open access: yesChemical and Pharmaceutical Bulletin, 2008
Two new flavone glucosides, nitensosides A and B (1, 2), together with four known compounds, sorbifolin (3), sorbifolin 6-O-beta-glucopyranoside (4), pedalitin (5), and pedalitin 6-O-beta-glucopyranoside (6) were isolated from Pterogyne nitens. Their structures were elucidated from 1D and 2D NMR analysis, as well as by high resolution mass spectrometry.
Fernandes, Daniara Cristina   +7 more
openaire   +7 more sources

[Desiccation tolerance in seeds of Prosopisferox and Pterogyne nitens (Fabaceae)].

open access: yesRevista de biologia tropical, 2013
La elevada diversidad de especies y endemismos, conjuntamente con la acelerada pérdida de biodiversidad por deforestaciones, destaca la importancia de emprender acciones combinadas de conservación in situ y ex situ. El objetivo de este trabajo fue estudiar la tolerancia a la desecación de las semillas de Prosopis ferox y Pterogyne nitens, para su ...
Morandini, Marcelo Nahuel   +2 more
openaire   +7 more sources

Rapid viability analysis in Pterogyne nitens Tul. by the tetrazolium test

open access: yesCONTRIBUCIONES A LAS CIENCIAS SOCIALES, 2023
Pterogyne nitens Tul., also known as brave peanut, is a native tree species, with economic and ecological importance, occurring from the Northeast to the South of Brazil. For most forest species, the standard germination test requires a relatively long time to obtain results, which is why tests such as the tetrazolium test have been widely used, as ...
Keven Willian Sarmento Galdino Da Silva   +7 more
openaire   +1 more source

Broad Protein Spectrum in Stored Pollen of Three Stingless Bees from the Chaco Dry Forest in South America (Hymenoptera, Apidae, Meliponini) and Its Ecological Implications

open access: yesPsyche: A Journal of Entomology, Volume 2015, Issue 1, 2015., 2015
Protein content of pollen stored by three meliponine species was variable from 9.78% (less than half the value considered as optimal to brood development in Apis mellifera) in type Capparis tweediana‐C. speciosa to more than 26% in type Maytenus vitis-idaea and some Prosopis samples.
Favio Gerardo Vossler, David Roubik
wiley   +1 more source

SOBREVIVÊNCIA E CRESCIMENTO DE SETE ESPÉCIES ARBÓREAS NATIVAS EM UMA ÁREA DEGRADADA DE FLORESTA ESTACIONAL DECIDUAL, NORTE DE MINAS GERAIS1

open access: yesRevista Árvore, 2015
RESUMO Este trabalho objetivou avaliar o crescimento e sobrevivência de sete espécies arbóreas nativas em diferentes tratamentos, em uma área degradada na Reserva da COPASA (Juramento, MG).
Yule Roberta Ferreira Nunes   +7 more
doaj   +1 more source

Hydropriming changes temperature thresholds for seed germination of tree species from the Caatinga, a Brazilian tropical dry forest

open access: yesJournal of Seed Science, 2021
: This study evaluates the effects of hydration and dehydration cycles (HD cycles) on seed germination of four Caatinga tree species (Anadenanthera colubrina var.
Joana Paula Bispo Nascimento   +2 more
doaj   +1 more source

Qualidade sanitária e germinação de sementes de Pterogyne nitens Tull. (Leguminosae - Caesalpinioideae) [PDF]

open access: yesRevista Brasileira de Sementes, 2006
Pterogyne nitens Tull. (Leguminosae Caesalpinioideae), espécie florestal nativa da Mata Atlântica, é normalmente utilizada para extração de madeira. Devido à necessidade de ampliação da área produtiva com essa espécie, para fins de exploração comercial, tem-se observado maior interesse em relação às informações sobre qualidade e conservação de suas ...
Nascimento, Walnice Maria Oliveira do   +3 more
openaire   +3 more sources

Nematostatic activity of isoprenylated guanidine alkaloids from Pterogyne nitens and their interaction with acetylcholinesterase

open access: yesExperimental Parasitology, 2023
Although new nematicides have appeared, the demand for new products less toxic and more efficient for the control of plant-parasitic nematodes are still high. Consequently, studies on natural secondary metabolites from plants, to develop new nematicides, have increased.
Aline Coqueiro   +10 more
openaire   +3 more sources

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