Chemical composition, antimicrobial and antioxidant activities of essential oils from organically cultivated fennel cultivars

Essential oils of the fruits of three organically grown cultivars of Egyptian fennel (Foeniculum vulgare var. azoricum, Foeniculum vulgare var. dulce and Foeniculum vulgare var. vulgare) were examined for their chemical constituents, antimicrobial and antioxidant activities. Gas chromatography/mass...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2011-02, Vol.16 (2), p.1366-1377
Main Authors: Shahat, Abdelaaty A, Ibrahim, Abeer Y, Hendawy, Saber F, Omer, Elsayed A, Hammouda, Faiza M, Abdel-Rahman, Fawzia H, Saleh, Mahmoud A
Format: Article
Language:English
Subjects:
Agricultural management
Anti-Infective Agents - chemistry
Anti-Infective Agents - pharmacology
antibacterial
antifungal
Antimicrobial agents
antioxidant
Antioxidants
Antioxidants - chemistry
Antioxidants - pharmacology
Chromatography
Cultivars
DPPH
Foeniculum - chemistry
Foeniculum vulgare var. azoricum
Foeniculum vulgare var. dulce
Foeniculum vulgare var. vulgare
Fungi - drug effects
Gas Chromatography-Mass Spectrometry - methods
GCMS
Gram-Negative Bacteria - drug effects
Gram-Positive Bacteria - drug effects
Humans
Mass spectrometry
Microbial Sensitivity Tests
Molecular Structure
Oils & fats
Oils, Volatile - chemistry
Oils, Volatile - pharmacology
organic agriculture
Phytochemicals
Scientific imaging
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Summary:Essential oils of the fruits of three organically grown cultivars of Egyptian fennel (Foeniculum vulgare var. azoricum, Foeniculum vulgare var. dulce and Foeniculum vulgare var. vulgare) were examined for their chemical constituents, antimicrobial and antioxidant activities. Gas chromatography/mass spectrometry analysis of the essential oils revealed the presence of 18 major monoterpenoids in all three cultivars but their percentage in each oil were greatly different. trans-Anethole, estragole, fenchone and limonene were highly abundant in all of the examined oils. Antioxidant activities of the essential oils were evaluated using the DPPH radical scavenging, lipid peroxidation and metal chelating assays. Essential oils from the azoricum and dulce cultivars were more effective antioxidants than that from the vulgare cultivar. Antimicrobial activities of each oil were measured against two species of fungi, two species of Gram negative and two species of Gram positive bacteria. All three cultivars showed similar antimicrobial activity.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules16021366