Results 61 to 70 of about 4,548 (177)

Catálogo de nervação e epiderme foliar das Polygalaceae do Brasil-I. Gênero Polygala L. seção Polygala, subseção Apterocarpae Chod., série Timoutoideae.

open access: yesRodriguésia
No presente trabalho os autores apresentam o estudo do padrão de nervação e epidermes foliares das espécies da série Timoutoideae Chod. (Polygala L.) do Brasil.
José Fernando A. Baumgratz   +1 more
doaj   +1 more source

Impact of land management on herbaceous vegetation diversity and forage provision in the Great Green Wall in Burkina Faso

open access: yesGrassland Research, Volume 4, Issue 2, Page 105-120, June 2025.
According to the disturbance gradient, the species richness of herbaceous vegetation increased from fenced (less disturbed) to fallow (most disturbed). The pastoral value and biomass production of grazing land were higher in protected areas (fenced land) than in unprotected areas (community forests and fallow land), suggesting that conservation ...
Issouf Zerbo   +4 more
wiley   +1 more source

How urban proximity shapes agricultural pest dynamics: a review

open access: yesPest Management Science, Volume 81, Issue 6, Page 2704-2711, June 2025.
This review explores how proximity to human settlements affects agricultural pest and pathogen dynamics, highlighting the roles of microclimatic conditions, biological aspects, and management effects. It underscores the need for integrated pest management strategies to address these complex interactions and enhance sustainable agriculture.
Lior Blank
wiley   +1 more source

3-Hydroxy-1,2-dimethoxyxanthone

open access: yesActa Crystallographica Section E, 2011
The title compound (systematic name: 3-hydroxy-1,2-dimethoxy-9H-xanthen-9-one), C15H12O5, was isolated from Polygala arillata. The tricyclic unit is essentially planar (r.m.s. deviation = 0.039 Å).
Hui-Ping Xiong   +3 more
doaj   +1 more source

Flora do Ceará, Brasil: Polygalaceae

open access: yesRodriguésia
Resumo O objetivo deste trabalho foi realizar o levantamento florístico dos representantes de Polygalaceae, como parte do projeto Flora do Ceará. O estudo foi baseado na análise de caracteres morfológicos de espécimes obtidos em campo e em coleções dos ...
Igor Gonçalves Lima   +3 more
doaj   +1 more source

Illumination on “Reserving Phloem and Discarding Xylem” and Quality Evaluation of Radix polygalae by Determining Oligosaccharide Esters, Saponins, and Xanthones

open access: yesMolecules, 2018
The root of Polygala tenuifolia Willd. or Polygala sibirica L. exhibits protective effects on the central nervous system and is frequently used to treat insomnia, amnesia, and other cognitive dysfunction. In our study, we studied nine bioactive compounds
Fan Yang   +7 more
doaj   +1 more source

Absorbable Phenylpropenoyl Sucroses from Polygala tenuifolia

open access: yesMolecules, 2011
Three phenylpropenoyl sucroses – sibiricose A5 (1), A6 (2) and 3′,6-disinapoyl sucrose (3) – were isolated from the 30% EtOH extract of Polygala tenuifolia, which displayed antidepressant-like action.
Renbing Shi   +5 more
doaj   +1 more source

Spatial metabolome of Polygala tenuifolia and Polygala sibirica roots by matrix-assisted laser desorption/ionization mass spectrometry imaging

open access: yesIndustrial Crops and Products
The therapeutic efficacy of medicinal plants is intrinsically linked to the spatial distribution of their bioactive constituents, yet this critical aspect has been largely uncharacterized due to technical limitations in metabolite localization.
Yihan Zhu   +9 more
doaj   +1 more source

The cytotoxic and antiproliferative effect of Polygala saponin XLIV on the human colorectal carcinoma cell line

open access: yesTürk Biyokimya Dergisi
Saponins are secondary metabolites naturally found in plants with diverse pharmacological properties such as anticancer. This research aimed to explore the anti-cancer properties of Polygalasaponin XLIV (PS-XLIV) in a human colorectal carcinoma cell line
Becer Eda   +7 more
doaj   +1 more source

Polygalae Radix: review of metabolites, pharmacological activities and toxicology

open access: yesFrontiers in Pharmacology
Polygalae Radix: is the dried root of Polygala tenuifolia Willd. or Polygala sibirica L., which has the effect of improving memory and cognitive function in traditional Chinese medicine.
Meihua Liu, Xin Wang, Dejiang Gao
doaj   +1 more source

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