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Antimicrobial and Cytotoxic Potential of Eucalyptus Essential Oil-Based Nanoemulsions for Mouthwashes Application
Journal article   Open access   Peer reviewed

Antimicrobial and Cytotoxic Potential of Eucalyptus Essential Oil-Based Nanoemulsions for Mouthwashes Application

Dione Glauco Batista, William Gustavo Sganzerla, Lysa Ribeiro da Silva, Yasmin Gabriele Schmitt Vieira, Aline R. Almeida, Diogo Dominguini, Luciane Ceretta, Adriana Castro Pinheiro, Fabiano Cleber Bertoldi, Daniela Becker, …
Antibiotics (Basel), Vol.13(10), 942
10/08/2024
DOI: 10.3390/antibiotics13100942
PMCID: PMC11504657
PMID: 39452209
url
https://doi.org/10.3390/antibiotics13100942View
Published (Version of record) Open Access

Abstract

Objective: An eucalyptus essential oil-based nanoemulsion was produced and evaluated for its antimicrobial properties against Streptococcus mutans and its cytotoxicity in the surface mucous cells of rabbits. Methods: The essential oil-based nanoemulsion was synthesized with two species of eucalyptus—Eucalyptus citriodora and Eucalyptus globulus—followed by physicochemical characterization and the determination of antimicrobial activity and cell viability. Subsequently, the mouthwash formulations (fluoride and fluoride-free) were functionalized with the nanoemulsion, and their in vitro antimicrobial actions were evaluated against S. mutans. Results: The nanoemulsion presented an average particle size of around 100 nm, a polydispersity index close to 0.3, a zeta potential between −19 and −30 mV, a pH close to 7, a spherical shape, and a cell viability above 50%. The antimicrobial activity analysis showed that the nanoemulsion was effective in the control of S. mutans. The mouthwashes functionalized with the nanoemulsion also presented bacteriostatic and bactericidal properties. Conclusions: The bio-based material produced with eucalyptus essential oil presented adequate physicochemical characteristics, with the potential to be used as an innovative material in preventive dentistry, contributing to the maintenance of oral and systemic health.
nanotechnology preventive dentistry antioxidant bioactive compounds

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