Ocotea duckei
, known as Louro
-
de
-
cheiro, belongs
to the Lauraceae family and presents
lignoid yangambine (YAN) as the main plant marker. This work aimed to develop and validate an
analytical method by high performance liquid chromatography for the quantification of YAN. Th...
Abstract Essential oils from four Ocotea species collected in southern Brazil were evaluated for chemical composition using gas chromatography coupled with mass spectrometry. The primary compound identified in O. acutifolia essential oil was an unsaturated tetracyclic diterpene, phyllocladene (67.7%), f...
Abstract INTRODUCTION: Aedes aegypti is the main vector of dengue and yellow fever. Recently, the use of plant-sourced larvicides has gained momentum. METHODS: The hydroethanolic extracts and fractions ofOcotea nutansleaves and stems were bioassayed to determine the larvicidal efficacy of these samples...
This study aimed to evaluate the anticholinesterase activities of extracts and fractions of Ocotea daphnifolia in vitro and characterize its constituents. The effects of hexane, ethyl acetate, and ethanolic extracts on acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) activity were determined...
Ocotea/efectos adversos,
Inhibidores de la Colinesterasa/análisis,
Técnicas In Vitro/instrumentación,
Simulación del Acoplamiento Molecular/instrumentación,
Acetilcolinesterasa/efectos adversos,
Butirilcolinesterasa/efectos adversos,
Alcaloides,
Flavonoides,
Lauraceae/clasificación,
Espectrofotometría/instrumentación,
Plantas Medicinales/anatomía & histología
Gribner, Caroline;
Moura, Paula Francislaine;
Veiga, Andressa;
Gatto, Larissa Junqueira;
Santos, Nayana Cristina da Silva;
Marques, Francisco de Assis;
Zattoni, Ingrid;
Valdameri, Glaucio;
Dias, Josiane de Fatima Gaspari;
Miguel, Obdulio Gomes;
Zanin, Sandra Maria Warumby.
La composición química del aceite esencial obtenido de las ramas de Ocotea paranaensis se estudió por cromatografía de gases/espectrometría de masas (CG/MS). Se identificaron veintisiete compuestos, que comprenden el 94,82% de los componentes totales. El aceite se caracterizó por una concentración...
Passos, Bruno Goulart;
Rangel, Leonardo da Silva;
Albuquerque, Ricardo Diego Duarte Galhardo de;
Caldas, Gabriel Rocha;
Santos, Marcelo Guerra;
Esteves, Ricardo dos Santos;
Milton, Flora Aparecida;
Neves, Francisco de Assis Rocha;
Ruppelt, Bettina Monika;
Santos, José Augusto Albuquerque dos;
Faria, Robson Xavier;
Rocha, Leandro.
The aim of this work was to evaluate the potential of the essential oil (EO) from Ocotea pulchella leaves as an alternative in the control of schistosomiasis. It was tested O. pulchella EO nanoformulation to assess its activity against adult Biomphalaria glabrata, their spawning and Schistossoma mansoni...
Ocotea/química,
Aceites Volátiles/administración & dosificación,
Aceites Volátiles/química,
Moluscos/efectos de los fármacos,
Esquistosomiasis/prevención & control,
Aceites Volátiles/farmacología,
Control Biológico de Vectores,
Derivados de Alilbenceno/análisis,
Dioxolanos/análisis,
Sesquiterpenos de Germacrano/análisis,
Monoterpenos Bicíclicos/análisis,
Cromatografía de Gases,
Emulsiones/administración & dosificación,
Emulsiones/farmacología,
Interacciones Hidrofóbicas e Hidrofílicas,
Biomphalaria/efectos de los fármacos,
Cercarias/efectos de los fármacos,
Schistosoma mansoni/efectos de los fármacos
This study presents analyses on the chemistry, biology, pharmacology and chromatography of essential oils extracted from three species of the Ocotea genus: O. minor, O. ceanothifolia and O. leucoxylon. Leaves and stems, as well as the bark of O. minor, were processed using a modified Clevenger apparat...
Ocotea/química,
Lauraceae/química,
Aceites Volátiles/química,
Aceites Volátiles/farmacología,
Monofenol Monooxigenasa/antagonistas & inhibidores,
Industria Cosmética,
Cromatografía de Gases y Espectrometría de Masas,
Ionización de Llama,
Sesquiterpenos/análisis,
Depuradores de Radicales Libres,
Óxidos/análisis
Brustulim, Libardone José Ribeiro;
Monteiro, Luciane Mendes;
Almeida, Valter Paes de;
Raman, Vijayasankar;
Maia, Beatriz Helena Lameiro de Noronha Sales;
Casapula, Inaiara;
Paludo, Kátia Sabrina;
Bussade, Julia Emília;
Rehman, Junaid Ur;
Kahn, Ikhlas Ahmed;
Farago, Paulo Vitor;
Budel, Jane Manfron.
Abstract Ocotea porosa (Nees & Mart.) Barroso, commonly known as "imbuia", "canela-imbuia" or "imbuia-amarela" in Brazil, is a tree of the Southern Atlantic Forest. The present study investigates the anatomy of leaf and stem, volatile oil chemistry, as well as cytotoxicity and insecticidal activities...
Essential oils from leaves of Ocotea limae and Ocotea gardneri species were analyzed by GC-FID and GC-MS. The analysis revealed the presence of 48 components accounting for 98.1 ± 1.3% e 98.0 ± 0.5% of the essential oils from the O. limae and O. gardneri, respectively. The oils were characterized by hi...
ABSTRACT Essential oils from the leaves of two species of the genus Ocotea that occur in the Atlantic Forest in the state of Pernambuco, Brazil, were analyzed using gas chromatography-mass spectrometry. The acaricidal activity of these oils as well as 11 selected components and blends were evaluated in f...
