Results 21 to 30 of about 249 (130)

Characterization of the chemical composition of the essential oils from Annona emarginata (Schltdl.) H. Rainer 'terra-fria' and Annona squamosa L.

Revista Brasileira de Fruticultura, 2014
The objective of this study was to characterize the chemical composition of the essential oil from the leaves of Annona emarginata (Schltdl.) H. Rainer 'terra-fria' and Annona squamosa L.
Felipe Girotto Campos, Daniel Baron, Marcia Ortiz Mayo Marques, Gisela Ferreira, Carmen Silvia Fernandes Boaro   +4 more
doaj   +1 more source

EFECTO DE LA FERTILIZACIÓN SOBRE EL CRECIMIENTO Y CONTENIDO DE COMPUESTOS VOLÁTILES EN Satureja macrostema (Benth) Briq.

Revista Mexicana de Ciencias Forestales, 2018
El nurité, Satureja macrostema, tiene gran importancia en la medicina tradicional mexicana. El presente trabajo evaluó el crecimiento y contenido de compuestos volátiles en la parte aérea de esta especie. El efecto de la fertilización mineral N – P -
Rafael Torres-Martínez, Miguel Ángel Bello-González, Jorge Molina-Torres, Enrique Ramírez-Chávez, Yolanda García-Rodríguez, Rodolfo Fulgencio-Negrete, Alejandra García-Hernández, Rodolfo López-Gómez, Mauro Manuel Martínez-Pacheco, Blanca Nieves Lara Chávez, Rafael Salgado-Garciglia   +10 more
doaj   +1 more source

Use of chemometric and quantum-mechanical methods in the analysis of bioactive terpenoids and phenylpropanoids against the Aedes aegypti

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, Valdemar Lacerda Júnior, Eustaquio Vinicius Ribeiro de Castro, Vinicius de Oliveira Balthar, Sandro José Greco   +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, María Margarita Canales Martínez, José Guillermo Penieres Carrillo, Tonatiuh Alejandro Cruz Sánchez   +3 more
doaj   +1 more source

Flavonas, lignanas e terpeno de Piper umbellata (Piperaceae) [PDF]

Química Nova, 2009
The phytochemical investigation of Piper umbellata leaves yielded nine compounds including one terpenoid glucoside, five flavones (vitexin 2"-O-β-glucopyranoside, apigenin 8-C-β-D-glucopyranoside,orientin 8-C-β-D-glucopyranoside,5-hydroxy-7,3',4'-trimethoxy-flavone and velutin), two lignans (sesamin e dihydrocubebin) and 4-nerolidylcathecol.
Baldoqui, Debora Cristina, Bolzani, Vanderlan da Silva, Furlan, Maysa, Kato, Massuo J., Marques, Márcia O. M.   +4 more
openaire   +5 more sources

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

Journal 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, Konstantinos Mesiakaris, Ioannis Sotiropoulos, Marigoula Margarity, Konstantinos Poulas   +4 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

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, Mayu Shibuta, Ryuji Kato, Scott D. Smid   +3 more
wiley   +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, M. LEÃO DA SILVA, J. G. SOARES MAIA, O. R. GOTTLIEB, J. CORRÊA MOURÃO, M.C. MARX, A. ALPANDE DE MORAES, M. KOKETSU, L. LANNES MOURA, M. TAVEIRA MAGALHÃES   +9 more
doaj   +1 more source

Extratos vegetais na agricultura e no tratamento de sementes

Revista 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