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Comparison of Essential Oil Composition and Antimicrobial Activity of Coriandrum Sativum L. Extracted by Hydrodistillation and Microwave-Assisted Hydrodistillation Publisher



Sourmaghi MHS1 ; Kiaee G1 ; Golfakhrabadi F1 ; Jamalifar H2 ; Khanavi M1, 3
Authors
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Authors Affiliations
  1. 1. Department of Pharmacognosy, Medicinal Plants Research Center, Tehran University of Medical Sciences, Tehran, 14155-6451, Iran
  2. 2. Department of Drug and Food Control, Pharmaceutical Quality Assurance Research Center, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Traditional Iranian Pharmacy, Persian Medicine and Pharmacy Research Center, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Food Science and Technology Published:2015


Abstract

Coriander (Coriandrum sativum L.), is an annual herb in the Apiaceae family which disperses in Mediterranean and Middle Eastern regions. The Coriander essential oil has been used in food products, perfumes, cosmetics and pharmaceutical industries for its flavor and odor. In Iran, fruits of Coriander used in pickle, curry powders, sausages, cakes, pastries, biscuits and buns. The aim of this study was to investigate microwave radiation effects on quality, quantity and antimicrobial activity of essential oil of Coriander fruits. The essential oils were obtained from the Coriander fruits by hydrodistillation (HD) and Microwave-assisted hydrodistillation (MAHD) then, the oils were analyzed by GC and GC-MS. Antimicrobial activities of essential oils were evaluated against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Candida albicans by microdilution method. The results indicated that the HD and MAHD essential oils (EO) were dominated by monoterpenoids such as linalool, geranyl acetate and γ-terpinene. The major compound in both EO was linalool which its amount in HD and MAHD was 63 % and 66 %, respectively. The total amount of monoterpenes hydrocarbons in HD EO differ significantly with the amount in MAHD EO (12.56 % compare to 1.82 %). HD EO showed greater activity against Staphylococcus aureus and Candida albicans than MAHD EO. Moreover, their activities against Ecoli and P. aeruginosa were the same with Minimum Inhibitory Concentration (MIC) 0.781 and 6.25 μL mL−1, respectively. By using MAHD method, it was superior in terms of saving energy and extraction time, although the oil yield and total composition decrease by using this method. © 2014, Association of Food Scientists & Technologists (India).
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