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Research Journal of Pharmacy and Technology
Year : 2018, Volume : 11, Issue : 2
First page : ( 513) Last page : ( 514)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2018.00094.X

Antibacterial activity of Orange peel oil on Streptococcus mutans and Enterococcus-An In-vitro study

Vaishali M.1,*, Mrs Geetha R.V.2

1BDS Student, Institution: 162, Saveetha Dental College, Poonamalle High Road, Chennai

2Microbiology Department, 162, Saveetha Dental College, Poonamalle High Road, Chennai

*Corresponding Author E-mail: Mvaishu.70@gmail.com

Online published on 12 June, 2018.



The purpose of this study is to evaluate the antibacterial activity of the Orange peel oil on Streptococcus mutans and Enterococcus faecalis.


The aim of the present study was to evaluate the anti bacterial activity of orange peel oil on streptococcus mutans, Enterococcus the potent initiator and leading cause of dental caries worldwide. Essential oils are distillates of the volatile compounds of a plant's secondary metabolism and may act as phytoprotective agents. Their curative effect has been known since antiquity. It is based on a variety of pharmacological properties which are specific for each plant species. Antibacterial activity of the Orange peel oil was screened against Streptococcus mutans, Enterococcus using disc diffusion technique. The results of this study showed that the extracts at different concentrations exhibited anti bacterial activity against the bacterial species tested.


The antibacterial activity of the essential oils at different concentrations was screened by disc diffusion technique and the zone of inhibition was measured in mm diameter.


The results obtained from our study shows that the Orange peel oil have got a very good antibacterial activity against Streptococcus mutans and Enterococcus faecalis in dose dependant manner.



Orange peel oil, Anti bacterial, Dental caries, Disc diffusion.


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