Results 41 to 50 of about 468,567 (226)

Quality Control Strategies for Differentiation of Kalanchoe Species

open access: yesPhytochemical Analysis, Volume 36, Issue 8, Page 2385-2400, December 2025.
ABSTRACT Kalanchoe species products are commercially available in local markets and by internationally accessible online retailers and may exhibit quality issues because of misidentification from similar common names and anatomical similarities among related species used as feedstock. This study proposes an approach using UPLC‐MS/MSE and HPTLC, coupled
Evelyn A. de Andrade   +8 more
wiley   +1 more source

Conhecimento tradicional numa comunidade rural do nordeste brasileiro

open access: yesGaia Scientia, 2017
A comunidade Novo Nilo (04º 24’ 13” S e 42º 53' 22’’ W) situa-se à margem direita do rio Parnaíba a uma distância de 80 km da capital do estado, Teresina. O estudo etnobotânico foi realizado objetivando conhecer as inter-relações dos moradores e a vegetação existente, apontando as espécies úteis e tradicionalmente utilizadas pela comunidade.
Waldiléia Melo Batista   +2 more
openaire   +2 more sources

Conhecimento tradicional, biodiversidade e agroecologia: potencialidades de uso sustentável da flora regional [PDF]

open access: yes, 2011
Poster apresentado no Workshop Agroecologia e Desenvolvimento Sustentável, 24 de Março, Escola Superior Agrária de Bragança, PortugalA diversidade de ecossistemas agrários e as particularidades da sua gestão e manutenção levadas a cabo pelas populações ...
Barros, Lillian   +2 more
core  

Extraction of Triterpene Compounds From Hancornia speciosa Gomes Fruits and Evaluation of Pharmacological Potential

open access: yesChemistry &Biodiversity, Volume 22, Issue 11, November 2025.
ABSTRACT Hancornia speciosa Gomes, a Brazilian native species, holds biotechnological potential due to compounds such as lupeol, α‐amyrin, and β‐amyrin, which possess pharmacological properties. This study investigates triterpene‐rich extracts from H. speciosa fruit for potential anti‐inflammatory applications.
Sérgio Prado Leite   +9 more
wiley   +1 more source

Looking for alternative treatments for bovine and caprine mastitis: Evaluation of the potential of Calliandra surinamensis leaf pinnulae lectin (CasuL), both alone and in combination with antibiotics

open access: yesMicrobiologyOpen, Volume 8, Issue 11, November 2019., 2019
CasuL is a bacteriostatic and antibiofilm agent against mastitis isolates and displayed a synergistic potential when used in combination with either ampicillin or tetracycline. Abstract This work aimed to evaluate the effects of CasuL on growth and viability of 15 mastitis isolates from cows and goats, to determine the synergistic potential between ...
Thamara F. Procópio   +9 more
wiley   +1 more source

O pastoreio de percurso no sistema de exploração de ovinos em Trás-os-Montes [PDF]

open access: yes, 1999
A partir de um estudo realizado em Trás-os-Montes, entre 1990 e 1993, fez-se a caracterização e análise do sistema tradicional de exploração de ovinos. Posteriormente, até 1998, seguiu-se um trabalho que possibilitou alargar o conhecimento deste sistema.
Barbosa, José Carlos, Portela, José
core  

Foliar herbivory pushes plant individuals towards the periphery of a plant–floral visitor interaction network

open access: yesJournal of Ecology, Volume 113, Issue 9, Page 2414-2428, September 2025.
The authors demonstrate how the effects of herbivory on a key plant trait can cascade to shape the interactions between individual plants and their flower visitors and how the indirect effects between herbivores and pollinators can modulate the structure of interaction networks in terrestrial ecosystems.
Luiz Rezende   +3 more
wiley   +1 more source

Conhecimento tradicional sertanejo: um patrimônio imaterial em risco

open access: yesRevista Confluências Culturais, 2014
O artigo aborda o conhecimento tradicional como patrimônio imaterial e emprega, como tema de análise, os saberes da população do povoado no entorno de Mirorós, no sertão da Bahia, relacionados às técnicas de irrigação. Os riscos de desaparecimento desses saberes motivam a preocupação aqui expressa.
Joana Crivelente Horta   +1 more
openaire   +2 more sources

Açai (Euterpe oleracea) in the Amazon: until when a non-timber forest product? [PDF]

open access: yes, 2019
Until the 1990s the açai was a product basically of local consumption in the states or the Brazilian Amazon, being even known as "food of the poor". Since then, following the expansion of its market, the exploitation or this fruit has undergone numerous ...
Cialdella, Nathalie, Diniz, Janaina
core  

Changes in the users of the social‐ecological system around a reciprocal human‐dolphin relationship

open access: yesPeople and Nature, Volume 7, Issue 5, Page 974-989, May 2025.
Abstract In contrast to many contemporary negative human‐nature relationships, Indigenous Peoples and Local Communities have stewarded nature through cultural practices that include reciprocal contributions for both humans and nature. A rare example is the century‐old artisanal fishery in which net‐casting fishers and wild dolphins benefit by working ...
Mauricio Cantor   +9 more
wiley   +1 more source

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