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Antimicrobial Activity of Carvacrol against Lactobacillus acidophilus and Lactobacillus casei, An In-Vitro Study

Kiana Safa Larijani, Student Research Committee, Babol University of Medical Sciences, Babol, Iran, Ali Akbar Moghhaddam Nia, Atefeh Bozorgi Makrani, Mohaddesseh AbouHosseini Tabari, Effat Khodadadi, Professor, Department of Pharmacology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran, Assistant Professor, Department of Biology and Medical Sciences, Babol Branch, Islamic Azad University, Babol, Iran., Associate Professor, Oral Health Research Center, Department of Pedodontics, Faculty of Dentistry, Babol University of Medical Sciences, : Associate Professor, Oral Health Research Center, Department of Pedodontics, Faculty of Dentistry, Babol University of Medical Sciences, Babol, Iran
2021 Journal of Research in Applied and Basic Medical Sciences  

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& Aims: Lactobacillus acidophilus (L. acidophilus) and Lactobacillus casei L. casei) are the primary bacterial pathogens involved in dental caries and periodontal diseases. In this study, we aimed to investigate the antimicrobial activity of Carvacrol in inhibiting the growth of these two microbial species in-vitro. Materials & Methods: In this study, we prepared standard colonies of L. acidophilus and L. casei, then evaluated disk diffusion and well diffusion tests on De Man-Rugose and Sharpe
more » ... MRS) agar plates to determine the antimicrobial activity of Carvacrol. We used 30 µg tetracycline disks as control. To evaluate the minimum inhibitory concentration (MIC), Carvacrol was used in the range of 20 to 0.039 µL in MRS broth medium containing bacteria. To determine the Minimum Bactericidal Concentration (MBC), the contents of tubes were subsequently cultured on MRS agar plates. Results: The MIC and MBC of Carvacrol against L. casei were 0.406 ± 0.143 and 0.813 ± 0.287 µg/mL, and against L. acidophilus were 0.254 ± 0.072 and 0.406 ± 0.143 µg/mL, respectively. In the disk diffusion test, carvacrol solution (2%) significantly induced inhibitory zones against L. casei and L. acidophilus. Although In the well diffusion test, 2% carvacrol solution generated inhibitory zones against L. casei. and against L. acidophilus with detectableinhibitory zones, but they werer not statistically significant.. We noted a significant difference only for the volume of 80 µL of solution (p = 0.03). Conclusion: The present study indicated that Carvacrol could be used as a natural alternative agent against L. acidophilus and L. casei generated dental caries.
doi:10.52547/rabms.7.4.172 fatcat:claxhd5tlzfczfu5yspakmldfu
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Kiana Safa Larijani, Student Research Committee, Babol University of Medical Sciences, Babol, Iran, Ali Akbar Moghhaddam Nia, Atefeh Bozorgi Makrani, Mohaddesseh AbouHosseini Tabari, Effat Khodadadi, Professor, Department of Pharmacology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran, Assistant Professor, Department of Biology and Medical Sciences, Babol Branch, Islamic Azad University, Babol, Iran., Associate Professor, Oral Health Research Center, Department of Pedodontics, Faculty of Dentistry, Babol University of Medical Sciences, : Associate Professor, Oral Health Research Center, Department of Pedodontics, Faculty of Dentistry, Babol University of Medical Sciences, Babol, Iran. "Antimicrobial Activity of Carvacrol against Lactobacillus acidophilus and Lactobacillus casei, An In-Vitro Study." Journal of Research in Applied and Basic Medical Sciences 7.4 (2021) 172-178