The DOI matches its Crossref record.
Antimicrobial Activity and Chemical Composition of the Essential Oils of Portuguese Foeniculum vulgare Fruits
Abstract
The aim of this study was to investigate the chemical composition and antimicrobial activity of essential oils obtained by hydrodistillation from fruits of six fennel accessions collected from wild populations occurring in the centre and south of Portugal. Composition of essential oils was established by Gas Chromatography-Flame Ionization Detector (GC-FID) and Gas Chromatography-Mass Spectrometry (GC-MS) analysis. The obtained yields of the essential oils were found to vary greatly in the range of 1.1 to 2.9% (v/w) and the chemical composition varied with the region of collection. A total of 16 compounds were identified. The main compounds were fenchone (16.9 – 34.7%), estragole (2.5 – 66.0%) and trans-anethole (7.9 – 77.7%). The percentages of these three main compounds were used to determine the relationship between the different oil samples and to group them into four different chemotypes: anethole/fenchone; anethole; estragole and anethole/estragole. Antifungal activity of essential oils was evaluated against six food spoilage fungi: Aspergillus niger, A. japonicus, A. oryzae, Fusarium oxysporum, Rhizophus oryzae and R. stolonifer. Antibacterial activity was assessed against three Gram-positive strains: Enterococcus faecalis ATCC 29212, Staphylococcus epidermidis ATCC 12228 and S. aureus ATCC 28213; and against six Gram-negative strains: Escherichia coli ATCC 25922; Morganella morganii LFG 08; Proteus mirabilis LFG 04; Salmonella enteritidis LFG 05; S. entiritidis serovar typhimurium LFG 06 and Pseudomonas aeruginosa ATCC 27853 by the disc diffusion agar method; the minimal inhibitory concentration (MIC) was determined using the broth macro-dilution method. The MIC values varied from 62.5 ( E. coli ATCC 25922) to 2000 μg/mL ( P. aeruginosa ATCC 27853).
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“Consequently, we can attribute the antimicrobial effect to the synergistic effects among the principal compounds present in this complex mixture.”
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Cited by
Hadi, N., Drioiche, A., Bouchra, E. M., Baammi, S., Abdelaziz Shahat, A., Tagnaout, I., Radi, M., Remok, F., Bouzoubaa, A., & Zair, T. (2024) · Pharmaceuticals · doi:10.3390/ph17070862 · Cited by 30
Metadata
- Authors
- Mota, A. S., Martins, M. R., Arantes, S., Lopes, V. R., Bettencourt, E., Pombal, S., Gomes, A. C., & Silva, L. A.
- Affiliations
- FibEnTech- Materiais Fibrosos e Tecnologias Ambientais, Departamento de Química, Universidade da Beira Interior, Rua Marquês d'Ávila e Bolama, 6201-001- Covilhã, Portugal
- Instituto de Ciências Agrárias e Ambientais Mediterrânicas &, Departamento de Química, Escola de Ciências e Tecnologias, Universidade de Έvora, Rua Romão Ramalho, 59, 7000–647-Έvora, Portugal
- Banco Português de Germoplasma Vegetal, INIAV, I.P., Quinta de S. José, S. Pedro de Merelim, 4700–859, Braga, Portugal
- Unidade Estratégica de Investigação e Serviços de Biotecnologia e Recursos Genéticos, INIAV, I.P. (retired)
- Venue
- Natural Product Communications
- Publisher
- SAGE Publications
- Published
- 2015-04
- Volume
- 10
- Issue
- 4
- ISSN
- 1934-578X
- 1555-9475
- Cited by
- 15
- References
- 0
- Language
- en
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