Results 51 to 60 of about 380 (154)

Meios de cultura e BAP na organogênese direta em barbatimão

open access: yesOrnamental Horticulture, 2007
O objetivo deste trabalho foi verificar o efeito do tipo meio de cultura e diferentes concentrações de BAP na indução de brotações in vitro de ...
Gabriela Ferreira Nogueira   +5 more
doaj   +1 more source

SUPERAÇÃO DE DORMÊNCIA DE Stryphnodendron adstringens (MART.) COVILLE

open access: yesAgrarian Academy, 2017
Stryphnodendron adstringens (Mart.) Coville e uma especie com sementes quemanifestam dormencia, que e uma tatica de sobrevivencia para condicoesambientais desfavoraveis no Cerrado em epoca de frutificacao e dispersao de suassementes, tal caracteristica e um obstaculo quando se pretende produzir mudas,pois causa atraso e desuniformidade na germinacao. O
Mayanne Pereira   +4 more
openaire   +1 more source

The effect of ultrasound on improving the extraction of tannins from the Stryphnodendron adstringens bark

open access: yesSustainable Chemistry and Pharmacy, 2023
Stryphnodendron adstringens (Barbatimão) barks is one of the plants listed in the national list of medicinal plants of interest to the Brazilian health system and in the Brazilian pharmacopeia. Its extracts have been used in commercial products and popular medicine due to their phenolic compound's composition. Reported works dealing with Barbatimão and
Maurício M. de Souza Ribeiro   +9 more
openaire   +1 more source

Análise da estrutura de uma comunidade lenhosa em área de cerrado sensu stricto no município de Senador Modestino Gonçalves, norte de Minas Gerais, Brasil A woody community structure in a cerrado sensu stricto area of the municipality of Senador Modestino Gonçalves, north of Minas Gerais State, Brazil

open access: yesRevista Árvore, 2007
Com a finalidade de conhecer a estrutura de uma comunidade arbórea de uma área de Cerrado, fez-se um estudo fitossociológico no Município de Senador Modestino Gonçalves.
Andreza Viana Neri   +4 more
doaj   +1 more source

Optimization of bioactive compound extraction from Brazilian forest bark species: effects of solvent mixtures on metal ion chelation and urease enzyme inhibition

open access: yesBiofuels, Bioproducts and Biorefining, Volume 20, Issue 1, Page 99-109, January/February 2026.
Abstract The bark of forest species is a resource with a high concentration of bioactive compounds that have antioxidant, chelating and antimicrobial properties. Bioprospecting bioactive compounds from bark can generate income for local communities and contribute to the social and economic development of rural areas, especially in regions where ...
Mário Sérgio Lorenço   +6 more
wiley   +1 more source

Antifungal Properties of Crude Extracts, Fractions, and Purified Compounds from Bark of Curatella americana L. (Dilleniaceae) against Candida Species

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2015, Issue 1, 2015., 2015
The ethnomedicinal plant Curatella americana L. (Dilleniaceae) is a common shrub in the Brazilian cerrado, in which crude extract showed antifungal activity in a preliminary study. In this work, the antifungal and cytotoxic properties of the crude extract, fractions, and isolated compounds from C.
Cleyton Eduardo Mendes de Toledo   +6 more
wiley   +1 more source

Analysis of the abortive and/or infertilizing activity of Stryphnodendron adstringens (Mart. Coville)

open access: yesBrazilian Journal of Veterinary Research and Animal Science, 1999
Stryphnodendron adstringens (barbatimao) e uma arvore natural dos Estados do Para ao Mato Grosso do Sul e Sao Paulo (Brasil). O objetivo deste estudo foi determinar a toxicidade dos extratos das vagens desta especie e verificar efeitos sobre a gestacao de ratas. As vagens foram coletadas na regiao de Cuiaba (MT, Brasil) e separadas em cascas e sementes.
BÜRGER, Marilise Escobar   +5 more
openaire   +3 more sources

Unveiling Wasps as Potential Pollinators: Floral Traits and Wasp Sociality Intensify Network Centrality in a Highly Diverse Tropical Ecosystem

open access: yesJournal of Applied Entomology, Volume 149, Issue 10, Page 1520-1531, December 2025.
ABSTRACT Wasps, members of over 90 hymenopteran families, exhibit diverse behaviours, including pollination, predation and parasitism. While wasps are known pollinators in specialised systems, such as the intricate mutualism of fig trees and the deceptive pollination of certain orchids, they have historically been considered ineffective pollinators ...
Beatriz Lopes Monteiro   +4 more
wiley   +1 more source

Does Propolis Contain Tannins?

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2014, Issue 1, 2014., 2014
Although polyphenols have been reported as common constituents of propolis, tannins have rarely been mentioned as its constituents. Propolis samples from seven localities in Brazil were analyzed for detection of proanthocyanidins (condensed tannins) and determination of the tannin content.
Marco A. S. Mayworm   +6 more
wiley   +1 more source

Effects of Environmental Changes in Degraded Areas on the Establishment of Plant Communities in the Brazilian Cerrado

open access: yesInternational Journal of Forestry Research, Volume 2025, Issue 1, 2025.
Understanding the interrelationships between plant communities and soil attributes in gully erosion can make valuable contributions to strategies focused on the conservation and recovery of degraded areas. Thus, we aimed to evaluate how the composition and structure of different plant communities are affected by soil attributes in a degraded area by ...
Guilherme Resende Corrêa   +10 more
wiley   +1 more source

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