Results 21 to 30 of about 3,529 (105)

Terpenos, aromas e a química dos compostos naturais

open access: yes, 2020
Esse artigo tem por objetivo abordar a importância dos terpenos (alcenos naturais) na química dos compostos de aromas. Embora os terpenos não se tratem especialmente de uma função química, essa classe de compostos abrange as principais funções (álcoois ...
Bicas, Juliano L., Felipe, Lorena O.
core   +1 more source

Composición química, propiedades antioxidantes y actividad antimicrobiana de propóleos mexicanos

open access: yesActa 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

Cannabidiol as a Neuroprotective Agent in Acrylamide‐Induced Neurotoxicity: Effects on Oxidative Stress, Inflammation, and Cholinergic Function in Male Mice

open access: yesJournal of Neuroscience Research, Volume 103, Issue 12, December 2025.
Cannabidiol (CBD) protects against acrylamide‐induced neurotoxicity in mice by reducing oxidative stress, inflammation, and cholinergic dysfunction, while restoring BDNF levels. These findings highlight CBD's potential as a therapeutic agent for preventing environmental neurotoxicity and supporting brain health.
Korina Atsopardi   +4 more
wiley   +1 more source

Desarrollo de métodos de análisis de terpenos y compuestos terpenoides por cromatografía : Comparación crítica de resultados obtenidos mediante CG y HPLC [PDF]

open access: yes, 2021
El presente trabajo consiste en el estudio de terpenos presentes en muestras de Cannabis Sativa. Los terpenos son compuestos orgánicos volátiles con olor fuerte y característico y se conocen entre 80 y 100 terpenos únicos de las plantas de Cannabis ...
Giovannoni, Sol
core  

"Terpenos: potenciais agentes quimioterapêuticos obtidos de fontes naturais usados contra o câncer de pulmão". [PDF]

open access: yes, 2014
Muitos produtos naturais estão disponíveis como agentes quimioterápicos contra câncer de ocorrência frequente. Esta revisão mostra alguns terpenos de origem vegetal que no período de 1993-2013 foram avaliados quanto a uma possível atividade ...
Ferreira, Maria Denise Leite.
core   +1 more source

Medicinal cannabis extracts are neuroprotective against Aβ1–42‐mediated toxicity in vitro

open access: yesBasic &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

open access: yesIngeniería 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

Cannabidiol Modulation of Nicotine‐Induced Toxicity: Assessing Effects on Behavior, Brain‐Derived Neurotrophic Factor, and Oxidative Stress in C57BL/6 Male Mice

open access: yesJournal 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

Extratos vegetais na agricultura e no tratamento de sementes

open access: yesRevista Brasileira de Agroecologia, 2023
Em resposta aos efeitos nocivos da utilização de substâncias tóxicas na agricultura, a ciência tem avançado no desenvolvimento de soluções alternativas, visando compreender a eficácia e o potencial de extratos vegetais na agricultura.
Ricardo da Silva Carvalho
doaj   +1 more source

Confinement Effects in Catalysis: Steering the Product Selectivity in Cannabidiol Isomerization by the Resorcinarene Supramolecular Capsule

open access: yesChemCatChem, Volume 16, Issue 16, August 26, 2024.
The confinement effect provided by the resorcinarene hydrogen bonded capsule in the presence of HCl accelerates the isomerization of cannabidiol leading to cyclic and hydrated products that are uncommon compared to the same reaction with traditional strong Brønsted acids, thus widening the chemical scenario provided by the capsule.
Francesca Bordignon   +4 more
wiley   +1 more source

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