Examinando por Materia "Rosemary essential oil"

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    (Universidad Privada Norbert Wiener, 2017-11-20) Cueva Rosales, Javier; Pareja Cuadros, Elizabeth Irene
    The purpose of this research was to assess the antimicrobial activity of rosemary essential oil (Rosmarinus officinalis) against the growth of Streptococcus mutans ATCC 25175 "in vitro". For the microbiological analysis, 100% rosemary essential oil was used and the agar well diffusion method was applied. Thirty Petri dishes with Muller Hinton agar were prepared, each containing a 6 mm diameter well saturated with rosemary essential oil and 0.12% chlorhexidine (DENTODEX®). The samples were incubated at 37°C and were only removed to measure and record the bacterial inhibition halos after 72 and 168 hours. The essential oil was compared with 0.12% chlorhexidine gluconate as a positive control for Streptococcus mutans ATCC 25175, and sterile distilled water was used as the negative control. The data were processed using SPSS, and the T-test was applied. The study concluded that Rosmarinus officinalis (rosemary) essential oil exhibited "in vitro" antibacterial activity against Streptococcus mutans ATCC 25175 at 72 hours, and 0.12% chlorhexidine showed greater antibacterial activity than the essential oil against this bacterial strain at 168 hours.