antimicrobial activity of the essential oil of tetradenia riparia (hochst.) codd. (lamiaceae) against cariogenic bacteria
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ID: 196284
2015
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Abstract
In Brazilian folk medicine, Tetradenia riparia (Hochst.) Codd. (Lamiaceae) is used to treat toothaches and dental abscesses and diseases induced by worms, bacteria, or fungi. This paper aims to investigate the chemical composition and the antibacterial effects of the essential oil obtained from Tetradenia riparia leaves (TR-EO) grown in Southeastern Brazil against a representative panel of oral pathogens. We evaluated the antibacterial activity of TR-EO in terms of the minimal inhibitory concentration (MIC). We identified aromadendrene oxide (14.0%), (E,E)-farnesol (13.6%), dronabinol (12.5%), and fenchone (6.2%) as the major constituents of TR-EO. TR-EO displayed MIC values between 31.2 and 500 μg/mL, with the lowest MIC value being obtained against Streptococcus mitis (31.2 μg/mL), S. mutans (62.5 μg/mL), S. sobrinus (31.2 μg/mL), and Lactobacillus casei (62.5 μg/mL). In time-kill experiments, TR-EO demonstrated bactericidal activity against S. mutans within the first 12 h, resulting in a curve profile similar to that of chlorhexidine. These results revealed that the essential oil of Tetradenia riparia displays promising activity against most of the selected cariogenic bacteria, including Streptococcus mutans.
| Reference Key |
melo2015brazilianantimicrobial
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|---|---|
| Authors | ;Nathalya Isabel de Melo;Carlos Eduardo de Carvalho;Letícia Fracarolli;Wilson Roberto Cunha;Rodrigo Cassio Sola Veneziani;Carlos Henrique Gomes Martins;Antônio Eduardo Miller Crotti |
| Journal | ieee software |
| Year | 2015 |
| DOI |
10.1590/S1517-838246246220140649
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| URL | |
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