Abstract
The composition of essential oil isolated from Matricaria recutita and Chamaemelum nobile , growing wild in Iran, was analyzed by GC and GC-MS. The Matricaria recutita essential oil was characterized by chamazulene (29.80%), α-pinene (8.0%), β-Pinene (7.93%), ά-bisabolol (5.76%), ά-bisabololoxide A (5.51%), trans-b-farnesene (5.51%) and Chrysanthenone (4.88%). The Chamaemelum nobile essential oil was characterized by Chamazulene (31.12%), β-Pinene (10.11%), ά-bisabolol (7.32), a pigenin-7-glucoside (6.20%), ά -bisabololoxide A (5.98%), α-pinene (5.97%) and β–thujone (4.84%). Antioxidant activity was analyzed using the 2,2-diphenyl-1- picrylhydrazyl (DPPH) free radical scavenging method and Reducing power antioxidant (the ability of oil to reduce iron +3). Comparing the DPPH scavenging activity of chamomile essential oil from Matricaria recutita (137.2 μg/ml) and Chamaemelum nobile (195.8 μg/ml) and those expressed by BHT (100.0 μg/ml), it was shown that the essential oil from Matricaria recutita exhibited the good antioxidant effects than Chamaemelum nobile . Results showed Matricaria recutita essential oil absorbance value (0.94%) was close to synthetic antioxidant BHT (1.12%) obtained at 100 μg/ml. Matricaria recutita essential oil displayed the stronger antioxidant activity compared to Chamaemelum nobile essential oil.
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