Componentes químicos del aceite esencial de Ocotea paranaensis (Lauraceae) y sus propiedades antioxidantes, anticancer y antimicrobianas / Chemical constituents of Ocotea paranaensis (Lauraceae) essential oil and their antioxidant, anticancer and antimicrobial properties
Bol. latinoam. Caribe plantas med. aromát
;
19(5): 495-507, 2020. tab, graf
Article
in English
| MTYCI, LILACS
| ID: biblio-1145991
RESUMEN
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 relativamente alta de sesquiterpenos (62,96%), sesquiterpenos oxigenados (33,33%) y diterpeno (3,70%). En cuanto a los compuestos principales, se destacaron Z-nerolidol (19,16%), germacreno D (12,92%) y α-bulnesene (8,47%), que correspondieron al 40,55% de las sustancias encontradas. El aceite esencial analizado de Ocotea paranaensis tiene una buena acción reductora de fosfomolibdeno y es moderadamente tóxico para la Artemia salina (LC50 = 147,91 µg/mL). Mostró potencial hemolítico y actividad moderada contra Staphylococcus aureus (concentración inhibitoria mínima MIC = 250 µg/mL) y Pseudomonas aeruginosa (MIC = 500 µg/mL). No se observaron resultados satisfactorios de citotoxicidad en el linaje H460 y HeLa.
ABSTRACT
The chemical composition of the essential oil obtained from the branches of Ocotea paranaensis was studied by gas chromatography/mass spectrometry (GC/MS). Twenty-seven compounds, comprising 94.82% of the total components, were identified. The oil showed relatively high concentration of sesquiterpenes (62.96%), oxygenated sesquiterpenes (33.33%), and diterpene (3.70%). Regarding the major compounds, Z-nerolidol (19.16%), germacrene D (12.92%) and α-bulnesene (8.47%) could be highlighted, which corresponded to 40.55% of the substances that were found. The essential oil from Ocotea paranaensis has phosphomolybdenum reducing action and is moderately toxic to the Artemia salina (LC50 = 147.91 µg/mL). It showed haemolytic potential and moderate activity against Staphylococcus aureus, (minimum inhibitory concentration MIC = 250 µg/mL) and Pseudomonas aeruginosa (MIC = 500 µg/mL). No satisfactory cytotoxicity results were observed in lineage H460 and HeLa.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Ocotea
/
Anti-Infective Agents
/
Antineoplastic Agents
/
Antioxidants
Type of study:
Evaluation studies
Language:
English
Journal:
Bol. latinoam. Caribe plantas med. aromát
Year:
2020
Type:
Article
Institution/Affiliation country:
Universidade Federal do Paraná/BR
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