Results 51 to 60 of about 2,638 (180)

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

AUSÊNCIA DE EFEITOS CITOTÓXICOS E GENOTÓXICOS DO EXTRATO AQUOSO DA CASCA DE Stryphnodendron adstringens (BARBATIMÃO) PELO TESTE DE Allium cepa [PDF]

open access: yes, 2020
Barbatimão [Stryphnodendron adstringens (Mart.) Coville] is a plant of Mimosaceae family found in several regions of Brazil. Its bark is intensively used in folk medicine, mainly for its healing and antimicrobial actions.
da Costa, Mary Helen Pestana   +5 more
core   +1 more source

Chemical composition of various plant extracts and their in vitro efficacy in control of Fasciola hepatica eggs [PDF]

open access: yesCiência Rural, 2020
: Fasciolosis has been diagnosed in cattle, goats, sheep and horses in southern and southeastern Brazil. Effective alternative treatments are the targets of study. One promising alternative is the use of plant extracts.
Larice Tosi Marques   +5 more
doaj   +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

Phytosociology of the Cerrado tree species in nearby sanitary landfill areas [PDF]

open access: yes, 2010
Os depósitos de resíduos domiciliares são construídos em áreas adjacentes a fitofisionomias nativas. Os objetivos deste trabalho foram, em áreas adjacentes a aterros e em áreas-controle, realizar e comparar o levantamento da composição das espécies ...
Imaña Encinas, José   +1 more
core   +2 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

The “Hidden Diversity” of Medicinal Plants in Northeastern Brazil: Diagnosis and Prospects for Conservation and Biological Prospecting

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2013, Issue 1, 2013., 2013
Increases in ethnobotanical studies and knowledge in recent decades have led to a greater and more accurate interpretation of the overall patterns related to the use of medicinal plants, allowing for a clear identification of some ecological and cultural phenomena.
Deyvson Rodrigues Cavalcanti   +2 more
wiley   +1 more source

Biological activities of Stryphnodendron adstringens bark decoction

open access: yesActa Scientiarum: Biological Sciences
Stryphnodendron adstringens, called ‘barbatimão’, is used in Brazilian folk medicine given its healing, astringent, anti-inflammatory, and antimicrobial properties.
Kássia Roberta Xavier-Silva   +8 more
doaj   +1 more source

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