Results 61 to 70 of about 1,678 (215)

Comparative Study on the Larvicidal Activity of Drimane Sesquiterpenes and Nordrimane Compounds against Drosophila melanogaster til-til

open access: yesMolecules, 2013
Natural compounds from Drimys winteri Forst and derivatives exhibited larvicidal effects against Drosophila melanogaster til-til. The most active compound was isodrimenin (4). The highest lethal concentration to the larvae of D.
Mauricio Cuellar   +7 more
doaj   +1 more source

Importancia relativa de especies cuyo polen es utilizado por "Apis mellifera" en el área de la Reserva Nacional Los Ruiles, VII región de Chile [PDF]

open access: yes, 1992
En el presente trabajo, se ha determinado el uso selectivo que Apis mellijfera hace del recurso vegetal de las comunidades de la región mediterránea sub-húmeda de Chile en su recolección de polen.
Avila, Guacolda   +2 more
core   +4 more sources

Description of a new soft scale insect of the genus Pulvinaria Targioni Tozzetti (Hemiptera, Coccoidea, Coccidae) from Bogota, Colombia

open access: yesZooKeys, 2015
A new soft scale (Hemiptera: Coccoidea: Coccidae) species, Pulvinaria caballeroramosae Tanaka & Kondo, sp. n., is described from specimens collected on twigs of Ficus soatensis Dugand (Moraceae) in Bogota, Colombia.
Hirotaka Tanaka, Takumasa Kondo
doaj   +1 more source

Polygodial, a drimane sesquiterpenoid dialdehyde purified from Drimys winteri, inhibits voltage-gated sodium channels

open access: yesNatural Product Research, 2022
Drimys winteri J.R.Forst. & G.Forst, a South American evergreen shrub that is used by the Mapuche people for treatment of several painful conditions, contains polygodial, a lipophilic drimane-type sesquiterpene dialdehyde with known activity at transient receptor potential channel family members including TRPA1 and TRPV1.
Cristian, Paz   +3 more
openaire   +2 more sources

Seasonal Partitioning of Rainfall in Second-Growth Evergreen Temperate Rainforests in Chiloé Island, Southern Chile

open access: yesFrontiers in Forests and Global Change, 2022
Rainfall partitioning in secondary forests from southern Chile is relevant in the climate change scenario, in which a 30% reduction in summer precipitation has been projected for the temperate region.
Cristián Frêne   +7 more
doaj   +1 more source

Using modern plant trait relationships between observed and theoretical maximum stomatal conductance and vein density to examine patterns of plant macroevolution [PDF]

open access: yes, 2015
Understanding the drivers of geological-scale patterns in plant macroevolution is limited by a hesitancy to use measurable traits of fossils to infer palaeoecophysiological function.
Barclay   +54 more
core   +1 more source

First data about the use of wooden resources during the early holocene in the Beagle Channel estudio arqueobotánico del sitio Imiwaia I (Tierra del Fuego, Argentina) [PDF]

open access: yes, 2017
Este trabajo tiene por objetivo estudiar el uso de los recursos vegetales leñosos llevado a cabo por sociedades cazadoras-recolectoras que habitaron el sitio Imiwaia I (costa norte del canal Beagle) durante el Holoceno temprano. Los resultados alcanzados
Caruso Fermé, Laura   +2 more
core   +1 more source

Antecedentes tecnológicos de Canelo (Drimys winteri Forst.)

open access: yesBosque, 1998
Some basic information about properties and use of Canelo wood in Chile, compiled from the existent information on the species, is given. Results of its use in the manufacturing of particleboards and chemical pulp as well as its behaviour on drying and wood preservation are presented.
openaire   +1 more source

Effect of different drying conditions on volatile compounds of Canelo pepper (Drimys winteri)

open access: yesJournal of Phytology, 2020
Canelo pepper is produced with the fruit of Drimys winteri (Winteraceae family). Driven by gourmet cuisine, this product is becoming increasingly in demand. The aim of this work was to study the effect of two drying conditions on the composition of the volatile compounds of Canelo pepper from Ushuaia forests (Argentina).
Negri Rodríguez, Livia María   +4 more
openaire   +4 more sources

The Cinderella tree, Quillaja saponaria – A soap story

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 2, Page 439-451, March 2026.
Our current understanding of plants has been shaped by the entwining of different cultures. The Chilean soapbark tree, traditionally valued as a source of natural soap, was shown by serendipitous research in France in the 1900s to produce compounds that can boost the immune response to vaccines.
Anne Osbourn
wiley   +1 more source

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