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VOLUME 25 , ISSUE 3 ( March, 2024 ) > List of Articles

ORIGINAL RESEARCH

Biological Activities of Virgin Coconut and Virgin Olive Oil Mixture against Oral Primary Colonizers: An In Vitro Study

Yan Mei Ng, S Nagarajan MP Sockalingam, Zaleha Shafiei, Ahmad Shuhud Irfani Zakaria, Alida Mahyuddin, Mariati A Rahman

Keywords : Antiadherence, Antibiofilm, Edible oils, Lactobacillus casei, Minimum bactericidal concentration, Minimum inhibitory concentration, Streptococcus mutans, Streptococcus sanguinis

Citation Information : Ng YM, Sockalingam SN, Shafiei Z, Zakaria AS, Mahyuddin A, Rahman MA. Biological Activities of Virgin Coconut and Virgin Olive Oil Mixture against Oral Primary Colonizers: An In Vitro Study. J Contemp Dent Pract 2024; 25 (3):260-266.

DOI: 10.5005/jp-journals-10024-3645

License: CC BY-NC 4.0

Published Online: 19-04-2024

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Aim and background: This study aimed to explore the potential synergistic interaction of virgin coconut oil (VCO) and virgin olive oil (VOO) mixture against Streptococcus sanguinis, Streptococcus mutans, and Lactobacillus casei in a single and mixture species through the minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), antiadherence, and antibiofilm activities. Materials and methods: The broth microdilution technique was used to individually determine the MIC of both oils and an oil mixture (in the ratio of 1:1) in a 96-well microtiter plate. As for the MBC, the subcultured method was used. The fractional inhibitory concentration index (ΣFIC) was determined to identify the interaction types between both oils. The oil mixture at its MIC was then tested on its antibiofilm and antiadherence effect. Results: The MIC of the oil mixture against the tested microbiota was 50–100%. The oil mixture was bactericidal at 100% concentration for all the mentioned microbes except S. mutans. The ΣFIC value was 2 to 4, indicating that the VCO and VOO acted additively against the microbiota. Meanwhile, the oil mixture at MIC (50% for S. sanguinis and L. casei; 100% for S. mutans and mixture species) exhibited antiadherence and antibiofilm activity toward the microbiota in mixture species. Conclusion: The oil mixture possesses antibacterial, antibiofilm, and antiadherence properties toward the tested microbiota, mainly at 50–100% concentration of oil mixture. There was no synergistic interaction found between VCO and VOO. Clinical significance: Children and individuals with special care may benefit from using the oil mixture, primarily to regulate the biofilm formation and colonization of the bacteria. Furthermore, the oil mixture is natural and nontoxic compared to chemical-based oral healthcare products.

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