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Research Journal of Biological Sciences
Year: 2011  |  Volume: 6  |  Issue: 3  |  Page No.: 114 - 117

Antioxidant Activity of Essential Oil of Lallemantia iberica in Flowering Stage and Post-Flowering Stage

Yaghoub Amanzadeh, Nafiseh Khosravi Dehaghi, Ahmad Reza Gohari, Hamid Reza Monsef-Esfehani and Seyed Esmail Sadat Ebrahimi    

Abstract: In this study, the essential oils from the arial parts of Lallemantia iberica (Lamiaceae), collected in 2 stages (flowering and post-flowering) from plants that caltivated in Institute of Medicinal Plants (ACECR) in Hashtgerd of Iran were obtained by hydrodistillation in Clevenger type apparatus. The chemical components of the essential oils were examined by GC and GC-MS then 36 components were characterized in flowering stage with β-cubeben (19.55%), Linalool (18.71%), spathulenol (18.04%), β-caryophyllene (11.11%), geraniol (3.50%) and bicyclogermacrene (3.46%) as the major constituents. All constituents are representing 97.39% of the essential oil, contained monoterpenes (33.85%) and sesquiterpens (63.54%). About 39 components of essential oil of post-flowering stage were introduced which caryophylene oxide (38.77%), linalool (15.15%), Germacrene-D (7.03%), Trans-caryophylene (5.61%), β-bourbonene (4.96%) and Trans-geraniol (4.34%) as the major constituents of it. All components are representing 95.74% of the essential oil contained monoterpens (26.51%) and sesquiterpens (69.23%). The studied essential oils showed antioxidant activities as calculated by 2 in vitro assays; DPPH radical scavenging and Ferric Reducing Power Assay (FRAP).

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