Influence of Seasonal Variation on the Chemical Composition and Biological Activities of Essential Oil from Eugenia pohliana DC Leaves

The purpose of this study was to analyses the influence of seasonal variation on the chemical composition and antimicrobial, antioxidant and cytotoxicity activities of the essential oil (EO) extracted from the leaves of Eugenia pohliana. Chemical characterization of the samples – by gas chromatograp...

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Bibliographic Details
Published in:Chemistry & biodiversity 2022-09, Vol.19 (9), p.e202200034-n/a
Main Authors: Costa, Wêndeo Kennedy, Oliveira, Alisson Macário, Silva Santos, Izabelly Bianca, Silva, Valquíria Bruna Guimarães, Aguiar, Júlio César Ribeiro de Oliveira Farias, Navarro, Daniela Maria do Amaral Ferraz, Santos Correia, Maria Tereza, Silva, Márcia Vanusa
Format: Article
Language:English
Subjects:
Antiinfectives and antibacterials
antimicrobial activity
Antimicrobial agents
antioxidant activity
Antioxidants
Caatinga
Chemical composition
Cytotoxicity
Essential oils
Free radicals
Gas chromatography
Herbal medicine
Leaves
Mass spectrometry
Mass spectroscopy
Maçã do mato
Myrtaceae
Scavenging
Seasonal variations
Summer
Toxicity
Winter
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Summary:The purpose of this study was to analyses the influence of seasonal variation on the chemical composition and antimicrobial, antioxidant and cytotoxicity activities of the essential oil (EO) extracted from the leaves of Eugenia pohliana. Chemical characterization of the samples – by gas chromatography‐mass spectrometry – found 35 and 38 components for summer and winter, respectively, of the EO from E. pohliana leaves, totaling 47 different compounds. Analysis of antioxidant capacity (DPPH, ABTS and TAC) revealed that the summer EO showed greater free radical scavenging capacity than the winter. Similarly, the summer EO exhibited superior antimicrobial potential (MIC=128–512 μg/mL and MMC=128–1024 μg/mL, compared to the winter EO (128–2048 μg/mL and 256–2048 μg/mL, respectively). Results showed that both oils had a low potential to cause hemolysis. This study provides new scientific evidence on the influence of seasonality on the pharmacological properties of E. pohliana leaves and its potential for the development of herbal medicines.
ISSN:1612-1872
1612-1880
DOI:10.1002/cbdv.202200034