Results 31 to 40 of about 2,638 (180)

The Cost of Self-Defense: Browsing Effects in the Rare Plant Species Salix arizonica. [PDF]

Ecol Evol
Willows with physical protection from ungulate browsing for multiple years had significantly lower phenolic glycoside (PG) concentration and increased plant height compared to unprotected individuals. In contrast, changes in levels of defense were not observed when plants received protection for only one growing season.
Lencioni SJ, Massatti R, Keefover-Ring K, Holeski LM.   +3 more
europepmc   +2 more sources

Fornecimento de substituto de pólen na redução da mortalidade de Apis mellifera L. causada pela Cria Ensacada Brasileira Pollen substitute on the reduction of Apis mellifera L. mortality caused by Brazilian Sac Brood

Ciência Rural, 2011
A cria ensacada brasileira é uma das piores enfermidades de abelhas Apis mellifera L. africanizadas, principalmente do Sudeste do Brasil. Ela afeta o desenvolvimento das larvas, após serem alimentadas pelas abelhas nutrizes com o pólen do barbatimão ...
Guido Laércio Bragança Castagnino, Dejair Message, Paulo de Marco Júnior   +2 more
doaj   +1 more source

Could the presence of preformed leaves inside the seed be more important than seed size for the establishment and growth of Cerrado seedlings? [PDF]

Acta Botânica Brasílica, 2023
The internal structure of seeds is relevant to germination, seedling establishment, and early plant growth. The objective of this work was to evaluate whether internal seed structure can influence germination and initial growth in four native woody ...
Larissa Gabrielle Ferreira da Silva, Javier G. Puntieri, Nayara Magry Jesus Melo, João Paulo Souza   +3 more
doaj   +1 more source

Determinação quantitativa de taninos em três espécies de Stryphnodendron por cromatografia líquida de alta eficiência

Brazilian Journal of Pharmaceutical Sciences, 2009
Um método de separação e quantificação por cromatografia líquida de alta eficiência (CLAE) em fase reversa foi desenvolvido usando água (0,05% de TFA):acetonitrila (0,05% de TFA) como fase móvel, em sistema gradiente para a análise dos flavan-3-óis ...
Gisely Cristiny Lopes, Andréia Cristina Conegero Sanches, Cleyton Eduardo Mendes de Toledo, Ana Cristina Isler, João Carlos Palazzo de Mello   +4 more
doaj   +1 more source

Anti-Candida targets and cytotoxicity of casuarinin isolated from Plinia cauliflora leaves in a bioactivity-guided study [PDF]

, 2013
Peer reviewedPublisher ...
Gow, Neil A R, Lee, Keunsook, Munro, Carol A, Pietro, Rosemeire C L R, Preechasuth, Kanya, Santos, Emerson, Severi, Juliana A, Souza-Moreira, Tatiana M, Vilegas, Wagner   +8 more
core   +4 more sources

Stryphnodendron adstringens have a modulatory effect on inflammatory cytokines markers of in vitro activated macrophages [PDF]

Exploration of Drug Science
Aim: The purpose of this study is to conduct a comprehensive investigation into the modulatory effects of Stryphnodendron adstringens (Mart.; S. adstringens), a Brazilian wound-healing plant, on the expression of inflammatory cytokines.
Ivana Beatrice Mânica da Cruz, Cibele Ferreira Teixeira, Neida Luiza Pellenz, Moisés Henrique Mastella, Verônica Farina Azzolin, Euler Esteves Ribeiro, Fernanda Barbisan   +6 more
doaj   +1 more source

Medicinal Plants from Brazilian Cerrado: Antioxidant and Anticancer Potential and Protection against Chemotherapy Toxicity

Oxidative Medicine and Cellular Longevity, Volume 2019, Issue 1, 2019., 2019
The use of natural antioxidants in cancer therapy has increased: first, due to the potential of natural antioxidants to kill tumour cells and second, because of their capacity to protect healthy cells from the damage caused by chemotherapy. This review article discusses the antioxidant properties of extracts obtained from medicinal plants from the ...
José Tarcísio de Giffoni de Carvalho, Débora da Silva Baldivia, Daniel Ferreira Leite, Laura Costa Alves de Araújo, Priscilla Pereira de Toledo Espindola, Katia Avila Antunes, Paola Santos Rocha, Kely de Picoli Souza, Edson Lucas dos Santos, Patrícia Rijo   +9 more
wiley   +1 more source

RELAÇÕES ENTRE PROPRIEDADES QUÍMICAS, FÍSICAS E ENERGÉTICAS DA MADEIRA DE CINCO ESPÉCIES DE CERRADO

Ciência Florestal, 2010
This work aimed at characterizing and evaluating the influence of the chemical properties (lignin, holocellulose and extratives contents) of five Cerrado wood species (Pterodon pubescens, Dalbergia miscolobium, Sclerolobium paniculatum, Stryphnodendron ...
Ailton Teixeira do Vale, Íris Santos Dias, Marcos Antônio Eduardo Santana   +2 more
doaj   +3 more sources

The Use of Medicinal Plants in the Riverside Community of the Mazagão River in the Brazilian Amazon, Amapá, Brazil: Ethnobotanical and Ethnopharmacological Studies

Evidence-Based Complementary and Alternative Medicine, Volume 2019, Issue 1, 2019., 2019
The inhabitants of the floodplain of the Mazagão River in the State of Amapá in the Brazilian Amazon have inherited from indigenous African and Cabocla cultures indications for the use and forms of preparation of medicinal plants to cure diseases of the body and spirit. This study aimed to perform an ethnopharmacological survey of medicinal plants used
Rosângela do Socorro Ferreira Rodrigues Sarquis, Ícaro Rodrigues Sarquis, Iann Rodrigues Sarquis, Caio Pinho Fernandes, Gabriel Araújo da Silva, Raullyan Borja Lima e Silva, Mário Augusto Gonçalves Jardim, Brenda Lorena Sánchez-Ortíz, José Carlos Tavares Carvalho, Filippo Fratini   +9 more
wiley   +1 more source

Plants from Brazilian cerrado with potent tyrosinase inhibitory activity [PDF]

, 2012
The increased amount of melanin leads to skin disorders such as age spots, freckles, melasma and malignant melanoma. Tyrosinase is known to be the key enzyme in melanin production.
Batista, Pérola de Oliveira Magalhães Dias, Elias, Silvia Taveira, Fonseca, Yris Maria, Gomes, Sueli Maria, Guerra, Eliete Neves Silva, Paula, José Elias de, Silva, Elton Clementino da, Silveira, Dâmaris, Simeoni, Luiz Alberto, Souza, Paula Monteiro   +9 more
core   +2 more sources