Evaluation the qualitative and quantitative essential oil of Calendula officinalis and its antibacterial effects
Message:
Abstract:
To identify chemical composition and antibacterial activity of essential oil of Calendula officinalis, the flowers of this plant which grows in a village in Kerman Province in July 2013 were collected. The samples were cleaned and then drying in the shade, making essential oil hydro distillation method was performed. Essential oil was analyzed by capillary gas chromatography (GC) using flame ionization (FID) and capillary gas chromatography coupled mass spectrometry (GC/MS) for detection. Also antibacterial activity of essential oil this plant was determined against gram negative and gram positive bacteria in this study by diameter ofinhibition zone.The main oil content from the plants of Calendula officinalis was 0.25%. The nineteen compounds were identified in the essential oil of Calendula officinalis that concluded 98.56% of the total oil. The major components were δ-cadinene (25.67%), α-cadinol (21.37%), Epi-α-muurolol(12.45%)and γ-cadinene(8.22%). For study of antibacterial activity of the oil sample, the essential oil tested against six bacteria by disc diffusion method. The antibacterial effects of this essential oil was determined against gram positive bacteria Staphylococcus epidermidis (PTCC=1436) and Streptococcus faecalis (PTCC=1237) and gram negative bacteria Pseudomonas aeroginosa (PTCC=11430), Shigella flexneri (PTCC=1716), Kellebsiella pnuomonae (PTCC=1053) and Escherichia coli (PTCC=1533). Effect of essential oil of Calendula officinalis on gram positive bacterium Staphylococcus epidermidis, gram negative bacterium Kellebsiella pnuomonae and Escherichia coli were examined and compared with tetracycline antibiotic. The results showed the essential oil of Calendula officinalis had anti-bacterial effects in comparison to common antibiotics.
Language:
Persian
Published:
Journal of Molecular and Cellular Research, Volume:29 Issue: 3, 2016
Pages:
331 to 339
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