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All Journal Prima JODS Community Medicine and Education Journal
Purba, Member Reni
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Humanities Dentistry Education Health Professions Languange, Linguistic, Communication & Media Public Health

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Journal : Community Medicine and Education Journal

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Antibacterial Effects of Star Fruit Extract Against Streptococcus sanguinis Purba, Member Reni; Gusbakti Rusip; Salsabilah
Community Medicine and Education Journal Vol. 5 No. 1 (2024): Community Medicine and Education Journal
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/cmej.v5i1.434

Abstract

Streptococus sanguinis is a pioneer bacteria that colonize the oral cavity, plays a role in plaque formation, and contributes to the development of dental caries. Plaque control is needed to inhibit the growth of microorganisms that cause caries by using herbal plants such as starfruit. The aim of the research was to determine whether or not there was an antibacterial effect of starfruit extract (Averrahoa bilimbilin).) against the bacteria Streptococus sanguinis. This research includes laboratory experiments with the sample as a pure culture of Streptococus sanguinis obtained from the Microbiology Laboratory of North Sumatra University Hospital. There were 5 treatment groups (starfruit extract concentration 6.25%, 12.5%, 25%, 50%, 75%), positive control (chlorhexidine 0.2%), and negative control (DMSO). The antibacterial effect was tested using the disc diffusion method. Then, the data was analyzed using statistical tests, one-way ANOVA, and, after this, LSD. The research results were obtained mean, and standard deviation of the diameter of the inhibition zone of star fruit extract, concentrations of 12.5%, 25%, 50%, 75%, and positive control for bacteria Streptococus sanguinis were 7.05 ± 0.192 mm, 9.38 ± 0.171 mm, 13.38 ± 0.171 mm, 14.30 ± 0.216 mm, and 14.38 ± 0.096 mm, while the concentration of star fruit extract was 6.25% and the negative control no inhibition zone was found. Test results from one-way ANOVA revealed that there was a significant antibacterial effect of star fruit extract against the bacteria Streptococus sanguinis (p≤0.05). Test results after this LSD found that the antibacterial effect of the 75% concentration extract was not significant with the positive control, and the 6.25% concentration was not significant with the negative control (p>0.05). From the research results, it can be concluded that the higher the concentration of the extract, the higher the antibacterial effect, with the most effective concentration being 75% and the MIC at a concentration of 12.5%.
Antibacterial Effect of Starfruit Extract (Averrhoa blimbi L.) against Streptococcus mutans Purba, Member Reni; Dian Soraya Tanjung; Ilma Al Halifa Hasibuan
Community Medicine and Education Journal Vol. 5 No. 1 (2024): Community Medicine and Education Journal
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/cmej.v5i1.464

Abstract

Dental caries is caused by gram-positive bacteria Streptococcus mutans, which is part of the normal flora of the mouth. Herbal medicines have powerful antibacterial compounds that can be used to limit the growth of germs that cause infections. The aim of the research was to determine whether starfruit extract (Averrhoa blimbi L.) has antibacterial properties against Streptococcus mutans. This type of research uses a posttest only control group design in the laboratory. Streptococcus mutans in pure culture were used as the research sample. This study had two control groups, one with four repetitions of DMSO as a negative control and one with a positive control (0.2% chlorhexidine), and four treatment groups with starfruit extract concentrations (20%, 40%, 60%, and 80 %). The disc diffusion method was used to test the antibacterial effect. One-way ANOVA and post hoc LSD statistical tests were then used to test the results. The results showed that, for Streptococus mutans bacteria, the mean and standard deviation of the diameter of the inhibition zone of starfruit extract at concentrations of 20%, 40%, 60%, and 80% were 12.03 ± 0.33 mm, 16.70 ± 0, 48 mm, 19.98 ± 0.13 mm, 22.25 ± 0.26 mm, and 19.25 ± 0.91 mm in the positive control, but no zone of inhibition was observed in the negative control. The width of the inhibition zone in starfruit extract (Averrahoa blimbi L.) at doses of 20%, 40%, 60%, 80%, positive control, and negative control was significantly different, according to the results of the one-way ANOVA test (p=0.000; p≤ 0.05). Antibacterial efficacy against Streptococcus mutans varied significantly (p≤0.05) among all star fruit extract groups and positive and negative controls, based on LSD post hoc test findings. Based on the research results, it can be said that star fruit extract at the most effective concentration, namely 80%, has antibacterial properties against Streptococcus mutans.
Co-Authors Daryono Daryono, Daryono Dian Soraya Tanjung Gusbakti Rusip Ilma Al Halifa Hasibuan Kaur, Gurmit Roselyn, Roselyn Salsabilah Setiawan, Linda Novelgia Watri, Desi