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ORIGINAL ARTICLE
Year : 2013  |  Volume : 1  |  Issue : 2  |  Page : 126-130

Antimicrobial properties of coconut husk aqueous extract on cariogenic bacteria


1 Department of Oral Pathology, Kannur Dental College, Anjarankandy, Kannur, Kerala, India
2 Department of Microbiology, Yenepoya Medical College, Mangalore, India
3 Department of Biochemistry, Yenepoya Medical College, Mangalore, India
4 Department of Oral Pathology, Yenepoya Dental College, Yenepoya University, Mangalore, India

Correspondence Address:
Maji Jose
Department of Oral Pathology, Yenepoya Dental College, Yenepoya University, Mangalore - 575 018, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2321-4848.123024

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Background and Objectives: The husk fibers of coconut (Cocos nucifera) are reported to be used by people of rural areas of South India for daily cleaning their teeth. As the beneficial effects of this plant material, with respect to antimicrobial properties against common cariogenic bacteria, are not scientifically proven, the present study was conducted. Materials and Methods: The husk of coconut was collected and aqueous extract was prepared and antimicrobial properties against common oral pathogens like Streptococcus mutans, Streptococcus salivarius, Streptococcus mitis, and Lactobacillus acidophilus were performed by agar well diffusion method. The values obtained were then subjected to statistical analysis using one way ANOVA and Tukey HSD. Results: Aqueous extract of coconut husk showed a concentration-dependent antimicrobial activity against different tested organisms with zone of inhibition ranging from 4.44 to 15.33 mms. However, the efficacy was less in comparison to chlorhexidine. Conclusion: Inhibitory action against cariogenic bacteria exhibited by aqueous extract of coconut husk indicate presence of highly effective active compounds in these extracts, which can be identified and incorporated into modern oral care systems for controlling dental caries.


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