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Volume: 7, Issue: 3, March, 2017
DOI: 10.7324/JAPS.2017.70318

Research Article

Evaluation of Antibacterial and Antioxidant activities of Essential oil from Michelia champaka

Uma Rajeswari Batchu, Kiranmai Mandava, P. N. V. Bhargav, Kiran Kumari Maddi, Mustafa Syed, Sai Prasanna Rasamalla, Sravanthi Madhira

  Author Affiliations


Antibiotic resistance has been called one of the world’s most pressing public health problems. Irrational use of antibiotics promotes development of resistance against bacteria. The antimicrobial properties of medicinal plants are being increasingly reported from different parts of the world as they found to have lesser side effects and devoid of drug resistance. In an effort to expand the spectrum of antibacterial agents from natural sources the present study aimed to evaluate antibacterial and antioxidant activity of essential oil from the flowers of Michelia champaka (M. champaka). Essential oil was extracted from flowers of M. champaka by hydro distillation method using Clevenger’s apparatus and screened for its antibacterial activity against gram positive (Micrococcus luteus, Streptococcus mutans) and gram negative (Escherichia coli, Salmonella typhi) strains. The minimum Inhibitory Concentration (MIC) of oil was determined using an agar diffusion method. Nevertheless the peroxide antioxidant assay was also performed. It was observed that essential oil has shown remarkable antibacterial activity against Streptococcus mutans (the causative agent for dental caries) with a zone of inhibition of 30 mm. A zone of inhibition was compared with standard antibiotic gentamicin. The MIC was reported as 25 mg/ml. The % inhibition of peroxide free radical was found to be 63.7% at 200mg/ml concentration. The antibacterial and antioxidant activity of M. champaka essential oil (MCEO) was due to various phytoconstituents. Hence MCEO can be used as an antibacterial source and phytoconstituents responsible for this activity can be explored and utilized in discovery of leads in the area of pharmacy research.


Michelia champaka, Essential oil, Antibacterial activity, Streptococcus mutans, peroxide scavenging activity.

Citation: Batchu BUR, Mandava K, Bhargav PNV, Maddi KK, Syed M, Rasamalla SP, Madhira S. Evaluation of Antibacterial and Antioxidant activities of Essential oil from Michelia champaka. J App Pharm Sci, 2017; 7 (03): 113-116.

Copyright: The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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