Chemical Composition and Antimicrobial Activity of Essential Oils and Extracts of Two Varieties of Turnip (Brassica rapa) Root and Leaves in Fars-Iran
Khalil Behnam1, Ali Mohamadi Sani2★★ Corresponding author
- 1Department of Food Science and Technology, Quchan Banch, Islamic Azad University, Quchan, IRAN.
- 2Young Researchers and Elite Club, Quchan Branch, Islamic Azad University, Quchan, IRAN.
CORRESPONDENCE
Ali Mohamadi Sani
Young Researchers and Elite Club, Quchan Branch, Islamic Azad University, Quchan, IRAN.
Received: 02-01-2017; Revised: 02-03-2017; Accepted: 04-04-2017.
Volume 6, Issue 1 · pp. 399–404 · PUBLISHED 30 April 2017 · DOI:
ABSTRACT
The aim of this study was to evaluate the chemical composition of essential oil (EO) and antimicrobial activity of essential oils and extracts of two varieties of Turnip (Brassica rapa) root and leaves in Fars-Iran. The EO oil was obtained by hydro-distillation and analyzed by gas chromatography-mass spectrometry (GC-MS) which revealed 16 compounds in which methyl chavicol, transanethole, linalool and α-pinene were the main components. The antimicrobial activity was measured by disk-diffusion and micro-dilution method for determination of MIC and MBC. The highest inhibition zone was recorded against Staphylococcus aureus (33±2 mm) for EO of leaves from shirazi Turnip. The highest MIC (S.aureus and Bacillus cereus = 0.312 mg/ml) and MBC (S. aureus=0.625 mg/ml) values were detected for Shirazi Turnip leaves. Results presented suggest that the EOs and extract of turnip root and leaves possess antibacterial properties and potential application in food industry.
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Behnam, K., & Sani, A. M. (2017). Chemical Composition and Antimicrobial Activity of Essential Oils and Extracts of Two Varieties of Turnip (Brassica rapa) Root and Leaves in Fars-Iran. Asian Journal of Biological and Life sciences, 6(1), 399–404.