Results 21 to 30 of about 4,704 (217)

Catálogo sistemático dos pólens das plantas arbóreas do Brasil Meridional: III - Theaceae, Marcgraviaceae, Ochnaceae, Guttiferae e Quiinaceae

open access: yesMemorias do Instituto Oswaldo Cruz, 1963
Weitere fuenf Familien werden in diesem 3. Teil des Katalogs der Baumpollen Suedbrasiliens auf ihre Pollenkoerner hin untersucht. Es handelt sich dabei um die Theaceae, Marcgraviaceae, Ochnaceae, Guttiferae und Quiinaceae. Phyllogenetisch schliessen sich
Ortrud Monika Barth
doaj   +1 more source

Stable isotope evidence of meat eating and hunting specialization in adult male chimpanzees [PDF]

open access: yes, 2013
Observations of hunting and meat eating in our closest living relatives, chimpanzees (Pan troglodytes), suggest that among primates, regular inclusion of meat in the diet is not a characteristic unique to Homo.
Boesch   +15 more
core   +1 more source

Evaluation of gastric anti-ulcer activity in a hydro-ethanolic extract from Kielmeyera coriacea

open access: yesBrazilian Archives of Biology and Technology, 2005
The antiulcer activity of a hydro-ethanolic extract prepared from the stems of Kielmeyera coriacea Mart. (Guttiferae) was evaluated in rats employing the ethanol-acid, acute stress and Indomethacin models to induce experimental gastric ulcers.
Yara Cavalcante Fortes Goulart   +6 more
doaj   +1 more source

Systematic Studies on Guttiferae Juss. and Hypericaceae Juss. of Peninsular Malaysia [PDF]

open access: yes, 2003
Twenty-eight species from 4 genera of Guttiferae and 2 genera of Hypericaceae from the 50-ha Plot of Pasoh Forest Reserve (PFR) Negeri Sembilan and several areas in Peninsular Malaysia were used to investigate the status and relationships within ...
Zakaria, Radhiah
core  

Metabarcoding of Pollen Carried by Syrphids Reveals Novel Plant–Pollinator Interactions in a Protected Natural Area and Agricultural Sites

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Using DNA metabarcoding, this study investigates pollen transported by syrphids (Syrphidae) in the Dolomiti Bellunesi National Park and agricultural sites in Northern Italy. The analysis reveals a high diversity of visited plant taxa, including previously undocumented plant–pollinator interactions.
Serena Magagnoli   +6 more
wiley   +1 more source

Nota prévia sobre uma Guttiferae nova da Amazônia [PDF]

open access: yesActa Amazonica, 1975
Resumo Descrição sumária de uma nova espécie de Rheedia, endêmica na região do Rio Negro (Amazônia Ocidental).
Maria Elisabeth van den Berg
doaj   +1 more source

Rubber agroforestry systems in mature plantations in Phatthalung Province, Southern Thailand [PDF]

open access: yes, 2020
Rubber-based agroforestry systems (RAS) can be characterized by the type of trees/shrubs and crops associated with the rubber trees. The present study objective was to identify and describe the RAS in mature plantations existing in Phatthalung province ...
Chambon, Bénédicte   +2 more
core  

Evaluation of in vitro toxicity of common phytochemicals included in weight loss supplements using 1H NMR spectroscopy

open access: yesFEBS Open Bio, Volume 16, Issue 5, Page 906-920, May 2026.
We investigated the toxicity of 12 active compounds commonly found in herbal weight loss supplements (WLS) using human liver and colon cell models. Epigallocatechin‐3‐gallate was the only compound showing significant toxicity. Metabolic profiling revealed protein degradation, disrupted energy and lipid metabolism suggesting that the inclusion of EGCG ...
Emily C. Davies   +3 more
wiley   +1 more source

Valorization of Garcinia humilis Residues in Active Collagen/Starch Films for Biodegradable Packaging Applications

open access: yesPackaging Technology and Science, Volume 39, Issue 5, Page 517-531, May 2026.
Residues from Garcinia humilis were used to obtain a phenolic‐rich extract (GHRE) and incorporated into collagen–starch films. The addition of GHRE improved antioxidant activity, thermal stability and elasticity, while reducing water vapour permeability.
Érica da Costa Monção   +7 more
wiley   +1 more source

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