Results 31 to 40 of about 1,488 (176)

The anti‐Trypanosoma activities of medicinal plants: A systematic review of the literature

open access: yesVeterinary Medicine and Science, Volume 8, Issue 6, Page 2738-2772, November 2022., 2022
Abstract Background The existing drug treatments for trypanosomiases are limited and suffer from shortcomings due to their toxicity and the emergence of resistant parasites. Developing anti‐trypanosomal compounds based on natural products is a promising way of fighting trypanosomiases.
Shahin Nekoei   +5 more
wiley   +1 more source

Nonstructural carbohydrates predict survival in saplings of temperate trees under carbon stress

open access: yesFunctional Ecology, Volume 36, Issue 11, Page 2806-2818, November 2022., 2022
Read the free Plain Language Summary for this article on the Journal blog. Abstract Nonstructural carbohydrates (NSCs) mediate plant survival when the plant's carbon (C) balance is negative, suggesting that NSCs could predict plant survival under C stress.
Frida I. Piper   +2 more
wiley   +1 more source

Novel food resources and conservation of ecological interactions between the Andean Araucaria and the Austral parakeet

open access: yesEcology and Evolution, Volume 12, Issue 10, October 2022., 2022
The results of this study show that the inter‐annual dependence of Austral parakeets on native habitats is influenced by the masting seed production strategy of Araucaria, a key species in the northern Patagonian Andes. Currently, this dependence seems to be largely modulated by disturbing factors promoting a feeding shift to exotic plants in anthropic
Guillermo Blanco   +3 more
wiley   +1 more source

Wood Anatomy of Drimys S.S. (Winteraceae) [PDF]

open access: yes, 1988
Qualitative and quantitative data are reported for seven specimens representing six varieties of the four species of Drimys generally recognized. Tracheid length and diameter are correlated both with plant size and with severity of climate: wide, long ...
Carlquist, Sherwin
core   +3 more sources

Trait functional diversity explains mixture effects on litter decomposition at the arid end of a climate gradient

open access: yesJournal of Ecology, Volume 110, Issue 9, Page 2219-2231, September 2022., 2022
Litter mixing did not have strong effects on decomposition rates across the studied climatic gradient overall, and the direction and intensity of the mixture effects were context dependent. The effects were stronger and more negative in the dryer ecosystems.
Rafaella Canessa   +7 more
wiley   +1 more source

Hedycaryol – Central Intermediates in Sesquiterpene Biosynthesis, Part II

open access: yesChemistry – A European Journal, Volume 28, Issue 26, May 6, 2022., 2022
Hedycaryol is an important intermediate in the biosynthesis of sesquiterpenes. This review discusses the unique chemistry of hedycaryol, its occurrence in Nature and all known compounds derived from it by terpene cyclisations. Structure elucidations including structural revisions and reasoning for the assignment of absolute configurations of the ...
Houchao Xu, Jeroen S. Dickschat
wiley   +1 more source

Medicinal Plants of Chile: Evaluation of their Anti-Trypanosoma cruzi Activity [PDF]

open access: yes, 2013
San Martin, J (San Martin, Jose). Univ Talca, Inst Biol Vegetal & Biotecnol, Talca, ChileThe extracts of several plants of Central Chile exhibited anti-Trypanosoma cruzi trypomastigotes activity.
Christen, P.   +7 more
core   +2 more sources

Dendocarbin A: a sesquiterpene lactone fromDrimys winteri

open access: yesActa Crystallographica Section C Structural Chemistry, 2014
The natural compound dendocarbin A, C15H22O3, is a sesquiterpene lactone isolated for the first time fromDrimys winterifor var chilensis. The compound crystallizes in the orthorhombic space groupP212121and its X-ray crystal structure confirmed theS/Rcharacter of the chiral centres at C-5/C-10 and C-9/C-11, respectively. The α-OH group at C-11 was found
Paz Robles, Cristian   +3 more
openaire   +5 more sources

Relative effects of climate and litter traits on decomposition change with time, climate and trait variability

open access: yesJournal of Ecology, Volume 109, Issue 1, Page 447-458, January 2021., 2021
The relative effects of litter traits and climate on decomposition depend on the ranges in climate and litter traits considered and change with time. Our study emphasizes the critical role of representative ranges in climate and functional trait values for understanding the drivers of litter decomposition and for improving predictions of climate‐change
Rafaella Canessa   +9 more
wiley   +1 more source

Chemical Fingerprinting, Aorta Endothelium Relaxation Effect, and Enzymatic Inhibition of Canelo (Drimys winteri J. R. Forst. & G. Forst, (D.C) A. Gray, Family Winteraceae) Fruits

open access: yesFoods, 2023
Drimys winteri J.R. Forst. & G. Forst (D.C) G. Gray, var. chilensis (canelo) is an endemic tree from Chile. Since pre-Columbian times, it has produced a fruit known as the canelo pepper, (pimienta de canelo) or Foye pepper, which can be used as a spice ...
Ruth E. Barrientos   +7 more
doaj   +1 more source

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