Mehrzad Kocheki Shahmokhtar and Samira Armand
In this study the chemical composition of essential oils of fennel (Foeniculum vulgare Mill.) was identified by GCMS method. Results showed that essential oils of fennel have several organic compounds such as hydrocarbons, alcohols, ketones, aldehydes, ethers, esters and other volatile oil and so on. Essential oil of “fennel” has 32 compounds. T-Anethol, α-pinene, D-limonene, α-fenchone and fenchol were the highest percent of compounds. biological activity of Aqueous extract of fennel was evaluated by disk diffusion method and results showed that it has antibacterial properties against Escherichia coli, Bacillus subtilis and Pseudomonas aeruginosa, but have not any antifungal activity (Aspergillus oryzae). The results show the extract of fennel was not a good alternative for antibiotics.