Results 51 to 60 of about 24,735 (221)

Estabilidad de lotes piloto de D-004 ingrediente activo en frascos de vidrio ámbar

open access: yesRevista CENIC Ciencias Químicas, 2015
El D-004 es un ingrediente activo obtenido de los frutos de la palma real cubana (Roystonea regia), compuesto fundamentalmente por una mezcla de ácidos grasos libres entre 8 y 18 átomos de carbono, con potencialidades en el tratamiento de la hiperplasia ...
Eduardo A. Rodríguez-Leyes   +5 more
doaj  

Assessments of Ceanothanes Triterpenes as Cholinesterase Inhibitors: An Investigation of Potential Agents with Novel Inspiration for Drug Treatment of Neurodegenerative Diseases

open access: yesMetabolites, 2022
The purpose of this study was to determine the inhibitory capacity of ceanothanes triterpenes isolate from Chilean Rhamnaceae on acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) enzymes. Seven ceanothanes triterpenes were isolated from aerial
Evelyn Muñoz-Nuñez   +8 more
doaj   +1 more source

Evaluating synthetic substitutes to reduce illegal harvesting and support species recovery

open access: yesConservation Biology, Volume 40, Issue 4, August 2026.
Abstract Providing synthetic substitutes is a widely promoted strategy to shift consumer demand away from wildlife products derived from threatened species. Yet, there is little evidence on whether product substitution prevents illegal or unsustainable harvesting and contributes to the recovery of threatened populations.
Aditya Shekhar Malgaonkar   +17 more
wiley   +1 more source

Determinación preliminar de productos de degradación formados por auto-oxidación del extracto lipídico de Roystonea regia

open access: yesRevista CENIC Ciencias Químicas, 2016
Los ácidos grasos (AG) insaturados se degradan generando un sinnúmero de compuestos, de ahí que el estudio de este fenómeno resulte de elevada complejidad.
Roxana Vicente-Murillo   +5 more
doaj  

Preservación de la madera usando productos naturales

open access: yesMadera y Bosques, 2015
Wood preservation using natural productsIt is a current concern in the wood preservation field to avoid the use of toxic chemicals and develop new technologies based on low environmental impact agents and sustainable principles. Under this expectation, an intended state-of-the-art is introduced on the application of natural products such as traditional
Rubén Francisco González-Laredo   +5 more
openaire   +2 more sources

Determinación de compuestos volátiles en el aceite de Roystonea regia sometido a degradación forzada

open access: yesRevista CENIC Ciencias Químicas, 2017
El aceite de Roystonea regia es la materia prima para la obtención del D004, ingrediente farmacéutico activo que se utiliza en la prevención y tratamiento de la hiperplasia prostática benigna. Este aceite está constituido principalmente por una mezcla de
Roxana Vicente-Murillo   +5 more
doaj  

S8 - PLANTAS MEDICINALES Y PRODUCTOS NATURALES

open access: yes, 2019
Resúmenes de los 19 trabajos presentados en el Taller.
Gutiérrez Gaitén, Yamilet Irene   +1 more
openaire   +2 more sources

Isolamento, identificação e avaliação do potencial farmacologico dos constituintes de Polygala Cyparissias St. Hill & Moq. [PDF]

open access: yes, 1995
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas.Isolamento de xantonas da espécie vegetal Polygala cyparissias foi realizado por técnicas próprias de separação de produtos naturais como extração ...
Pinheiro, Tania Rosely
core  

Palmas en Cuba: fuentes de aceite y ácidos grasos sin explotar

open access: yesRevista CENIC Ciencias Químicas, 2015
Se presenta una compilación de los estudios realizados en el Centro de Productos Naturales del Centro Nacional de Investigaciones Científicas, sobre la obtención de aceite crudo a partir de 11 especies de palmas (Arecaceae) que crecen en Cuba (Veitchia ...
Roxana Vicente Murillo   +5 more
doaj  

Moving beyond environmental filtering hypotheses: Deciphering the drivers of congeneric plant introductions in an oceanic archipelago

open access: yesEcography, Volume 2026, Issue 7, July 2026.
Understanding why only some species succeed in naturalizing and invading ecosystems has intrigued scientists since Darwin's time. The pre‐adaptation hypothesis posits that introduced species closely related to natives, therefore ecologically similar, are more likely to establish than others.
Louis S. Jay‐García   +7 more
wiley   +1 more source

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