Results 41 to 50 of about 1,131 (190)

Phytochemical activity and antioxidant activity of hidroethanolic extract and fractions from Poincianella pyramidalis(tul.) L.P.Queiroz var. pyramidalisstembark [PDF]

BMC Proc, 2014
Background Plants are an important source of bioactive compounds with different chemical compositions and biological properties with proven efficacy. Poincianell pyramidalis (Poincianella pyramidalis (Tul.) LP. Queiroz var. pyramidalis), popularly known as catingueira, is a medicinal plant endemic to the Caatinga and almost all parts are used for the ...
de Moraes S, dos Santos A, dos Santos L, Dias A, de Oliveira A, Estevan C, Prado Lima J, Villar Shan A.   +7 more
europepmc   +3 more sources

Differences between root and stem wood in seedlings and sprouts of Sessea brasiliensis (Solanaceae) [PDF]

, 2016
Analisamos diferenças anatômicas da madeira no sentido axial em árvores jovens de Sessea brasiliensis provenientes de sementes e de brotação após corte raso.
Arzolla, Frederico Alexandre Roccia Dal Pozzo, Descio, Fernando, Florsheim, Sandra Monteiro Borges, Lima, Israel Luiz de, Longui, Eduardo Luiz, Oliveira, Julia Sonsin, Santos, Michelle, Vilela, Francisco Eduardo Silva Pinto   +7 more
core   +2 more sources

Antioxidant potential of the Caatinga flora

Phytomedicine Plus, 2022
Background: This review sought to gather scientific evidence that points to the antioxidant potential of plants from the Caatinga. It also verified the amplitude of scientific production in the last ten and a half years on the antioxidant activity of the
Ewerton Moraes Luna, Hyan Thompson Oliveira Lopes, Francisco Alixandre Ávilla Rodrigues, Henrique Douglas Melo Coutinho, Lígia Cláudia Castro de Oliveira   +4 more
doaj   +1 more source

Caracterization of seed germination of Zephyranthes sylvatica (Mart.) Baker (Amarilidacea). [PDF]

, 2014
Zephyranthes sylvatica is a beautiful lily, endemic from the Brazilian Caatinga. Although it has a great ornamental potential, little is known about this species, especially regarding its seeds germination process.
BARBOSA, L. G., DANTAS, B. F., GAMA, D. R. da S., GUIRRA, K. S., OLIVEIRA, G. M. de, SILVA, J. E. S. B. da, SILVA, M. W. da   +6 more
core   +1 more source

Agathisflavone, a flavonoid derived from Poincianella pyramidalis (Tul.), enhances neuronal population and protects against glutamate excitotoxicity [PDF]

NeuroToxicology, 2018
Flavonoids are bioactive compounds that are known to be neuroprotective against glutamate-mediated excitotoxicity, one of the major causes of neurodegeneration. The mechanisms underlying these effects are unresolved, but recent evidence indicates flavonoids may modulate estrogen signaling, which can delay the onset and ameliorate the severity of ...
dos Santos Souza, Cleide, Grangeiro, Maria Socorro, Lima Pereira, Erica Patricia, dos Santos, Cleonice Creusa, da Silva, Alessandra Bispo, Sampaio, Geraldo Pedral, Ribeiro Figueiredo, Daiana Dias, David, Jorge Mauricio, David, Juceni Pereira, da Silva, Victor Diogenes Amaral, Butt, Arthur Morgan, Lima Costa, Silvia   +11 more
openaire   +3 more sources

Tratamentos pré-germinativos em sementes de duas espécies do gênero Poincianella

Revista Ciência Agronômica
Objetivou-se nesse trabalho avaliar o efeito de diferentes tratamentos pré- germinativos em sementes de Poincianella bracteosa e Poincianella pyramidalis.
Elane Grazielle Borba de Sousa Ferreira, Valderez Pontes Matos, Edilma Pereira Gonçalves, Rinaldo Luiz Caraciolo Ferreira, Romário Bezerra e Silva   +4 more
doaj   +1 more source

Qualidade fisiológica de sementes de diferentes árvores matrizes de Poincianella pyramidalis (Tul.) L. P. Queiroz

Revista Ciência Agronômica
A catingueira [Poincianella pyramidalis (Tul.) L. P. Queiroz] é uma espécie arbórea endêmica do bioma Caatinga, bastante explorada devido ao seu potencial madeireiro, forrageiro e farmacológico.
Cosmo Rufino de Lima, Riselane de Lucena Alcântara Bruno, Katiane da Rosa Gomes da Silva, Mauro Vasconcelos Pacheco, Edna Ursulino Alves   +4 more
doaj   +1 more source

Phytosociology of Two Caatinga Phytophysiognomies with Different Histories of Anthropic Disturbance

Floresta e Ambiente, 2020
The Caatinga (dryland) vegetation of northeastern Brazil has become highly anthropized while still poorly studied, with little research evaluating its potential for natural regeneration. This study sought to compare the compositions and structures of the
Diego Meireles Monteiro, Bruno Coutinho Kurtz   +1 more
doaj   +1 more source

Germinação de sementes de catingueira-cerdadeira (Poincianella pyramidalis Tul.) em condições de restrição hídrica. [PDF]

, 2016
O objetivo deste trabalho, portanto, foi avaliar os limites de germinação de sementes de catingueira-verdadeira sob restrição ...
BRITO, I. A., COSTA, D. C. C. da, DANTAS, B. F., GOMES, S. E. V., MATIAS, J. R., OLIVEIRA, G. M. de, RIBEIRO, R. C., SANTOS, J. B. dos   +7 more
core  

Traditional use, phytochemistry and biological activities of Poincianella pyramidalys (Tul.) LP Queiroz [PDF]

, 2016
The vegetation of Northeastern Brazil is an important source of income for the local population. Poincianella pyramidalis is a very important species in the semiarid and is inserted in various categories of ethnobotanical use, as foraging, construction ...
Alencar, Laianne Carla Batista, Chaves, Thiago Pereira, Dantas, Ana Cláudia, de Medeiros, Francinalva Dantas, Felismino, Delcio de Castro, Filho, José Hamilton da Costa, Santana, Cleildo Pereira, Silva, Joanda Paolla Raimundo e, Vieira, Karlete Vania Mendes   +8 more
core   +2 more sources