In vitro comparison of the effects of garlic juice and chlorhexidine mouthwash on oral pathogens

AUTHORS

Mansour Amin 1 , * , Maryam Kazemi 2 , Neda Rasaie 2

1 Department of Microbiology, school of medicine, Infectious and tropical diseases research center, Ahvaz Jundishapur University of Medical Sciences, [email protected], IR Iran

2 Department of periodontology School of Dentistry, Ahvaz Jundishapur University of Medical Sciences, IR Iran

How to Cite: Amin M, Kazemi M, Rasaie N. In vitro comparison of the effects of garlic juice and chlorhexidine mouthwash on oral pathogens, Jundishapur J Microbiol. Online ahead of Print ; 5(2):398-400. doi: 10.5812/jjm.2837.

ARTICLE INFORMATION

Jundishapur Journal of Microbiology: 5 (2); 398-400
Article Type: Research Article
Received: October 16, 2011
Accepted: January 10, 2012
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Abstract

Background: Mouthwash is used to complete the process of mechanical plaque removal. Chlorhexidine is the most common ingredient in mouthwash so we can use it as a gold standard to compare the effects of new products. Garlic is a strong antimicrobial agent and acts as an inhibitor on both Gram-positive and Gram-negative bacteria.
Objectives: The present study was conducted to compare the effect that garlic juice and Chlorhexidine mouthwash has on oral pathogens.
Materials and Methods: Fresh garlic bulbs were used to extract the antibacterial juice. The yellow juice was separated from the pulp with Whatman filter paper. After filtration the liquid was freeze dried and stored at 4°C until required. The bacteria that were tested were: Streptococcus mutans, S. sanguis, S. salivarius and Lactobacillus casei. After cultivation of the bacteria, the Minimal Inhibitory Concentration (MIC) of the garlic juice and Chlorhexidine were measured using the E-test method, then the Minimal Bactericidal Concentration (MBC) of the Chlorhexidine and garlic juice were measured by tube test.
Results: The lowest MIC of garlic juice was for S. mutans 0.25 µg/mL and the highest was for L. casei 2. 5 µg/mL. The MIC of Chlorhexidine for these two bacteria was 0.62 μg/mL and 5 μg/mL respectively. The MBC of Chlorhexidine and garlic for S. mutans had the lowest concentration compared with the other tested bacteria. The MBC of Chlorhexidine and garlic for S. mutans was 0.35 μg/mL and 0.3 µg/mL respectively. The highest MBC of Chlorhexidine was for S. salivarius 10 µg/mL. The MBC of garlic for S. sanguis was similar at 10. 4 µg/mL.
Conclusions: The efficacy of garlic juice was higher than Chlorhexidine against target bacteria and could be used as an effective mouthwash, but its side effects need to be investigated.


  • Implication for health policy/practice/research/medical education:
    Garlic is an edible plant that is consumed by humans. Chewing garlic bulbs kills all pathogenic bacteria in the mouth.
  • Please cite this paper as:
    Amin M, Kazemi M, Rasaie N. In vitro Comparison of the Effects of Garlic Juice and Chlorhexidine Mouthwash on Oral Pathogens. Jundishapur J Microbiol. 2012;5(2):398-400. DOI: 10.5812/jjm.2837

Copyright © 2012 Kowsar Corp. All rights reserved.


Keywords

Garlic Juice Oral Pathogens Mouthwash

© 0, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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