Results 21 to 30 of about 14,585 (160)
Terpenos e ácidos graxos de Dipteryx lacunifera Ducke [PDF]
Química Nova, 2007 This paper describes the isolation of the furanocassane-type diterpene, named vinhaticoic acid, along with b-farnesene and spatulenol from fruit shells of D. lacunifera. Structural determinations were accomplished by chemical derivatization and spectral analysis, including 1D and 2D NMR and X-ray crystallography.
Vieira Júnior, Gerardo Magela +4 more
openaire +3 more sources
Orbital: The Electronic Journal of Chemistry, 2010 Dengue fever is one of the main public health problems in the world. Many mosquitoes have developed resistance to the conventional insecticides used. Thus, the search for vegetable extracts and natural substances as alternative insecticides has increased.
Reginaldo Bezerra dos Santos +4 more
doaj +1 more source
Composición química, propiedades antioxidantes y actividad antimicrobiana de propóleos mexicanos
Acta Universitaria, 2020 En México, los propóleos se ofertan por su actividad antioxidante y su actividad antimicrobiana, por lo cual es necesario realizar su análisis utilizando la norma de calidad mexicana.
Betsabé Rodríguez Pérez +3 more
doaj +1 more source
Síntesis de moléculas híbridas entre terpenos utilizando Click Chemistry [PDF]
, 2013 68 p.Se realizó la síntesis de dieciséis nuevas moléculas híbridas a partir de terpenos utilizando click chemistry. Para lograr esto se recurre a los grupos funcionales de los terpenos seleccionados (sesquiterpenos, diterpenos y triterpenos) en el que se
Barrera Reyes, Rose Mary +1 more
core
Medicinal cannabis extracts are neuroprotective against Aβ1–42‐mediated toxicity in vitro
Basic &Clinical Pharmacology &Toxicology, Volume 135, Issue 5, Page 575-592, November 2024.Abstract Background Phytocannabinoids inhibit the aggregation and neurotoxicity of the neurotoxic Alzheimer's disease protein β amyloid (Aβ). We characterised the capacity of five proprietary medical cannabis extracts, heated and non‐heated, with varying ratios of cannabidiol and Δ9‐tetrahydrocannabinol and their parent carboxylated compounds to ...
Dylan T. Marsh +3 more
wiley +1 more source
Síntesis de nopol a partir de trementina: revisión del estado del arte
Ingeniería y Ciencia, 2012 En esta contribución se hace una revisión de los métodos para la síntesis del nopol. Los procesos convencionales abarcan la síntesis térmica y la catalítica con ZnCl2 y los emergentes corresponden a los catalíticos heterogéneos.
Edwin A Alarcón, Aída L Villa
doaj +1 more source
Journal of Neuroscience Research, Volume 102, Issue 9, September 2024.High nicotine dose induces anxiety‐like behavior in mice in the Open Field Test, alongside oxidative stress, proinflammatory cytokine secretion, and brain‐derived neurotrophic factor (BDNF) reduction in brain regions. Cannabidiol acts as an anxiolytic, exhibiting antioxidant activities, reducing cytokines, and normalizing BDNF levels.
Konstantinos Mesiakaris +4 more
wiley +1 more source
Biosíntesis de terpenos en pinos
, 2021 1. La fase de plántula en P. pinaster es un estadío del desarrollo de la planta bien definido, tanto anatómica, como fisiológica y bioquímicamente. 2. En este período se desarrollan, paralelamente, los sistemas fotosintéticos y los responsables de la biosíntesis de monoterpenos y de los ácidos resínicos. 3.
Monteoliva Sánchez, Mercedes +4 more
openaire +1 more source
Scientia Agricola, 2007 Eugenia brasiliensis Lam. is a variable species concerning fruit colour, with three recognized varieties. However, the definition of varieties is not easy for Myrtaceae species and not widely accepted. Two fruit colour varieties (purple and yellow) of E.
Paulo Roberto H. Moreno +7 more
doaj +1 more source
Óleos essenciais de espécies do genero Calyptranthes [PDF]
Acta Amazonica, 1972 Sinopse Na Amazônia se encontram algumas espécies de Galyptranthes (Myrtaceae). A comparação do óleo essencial de suas folhas varia de espécie para espécie. Assim é que o óleo destilado de C.
R. G. CAMPOS CORRÊA +9 more
doaj +1 more source