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All Journal MDJ (Makassar Dental Journal)
Anggraini, Ni Made Bella Fransiska
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Dentistry

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Antibacterial test of red ginger (Zingiber officinale var. rubrum) extracts at 10%, 30% and 60% on the growth of Streptococcus mutans: Uji antibakteri ekstrak jahe merah (Zingiber officinale var. rubrum) 10%, 30%, dan 60% terhadap pertumbuhan Streptococcus mutans Hartini, I Gusti Agung Ayu; Tista, I Gusti Ngurah Bagus; Anggraini, Ni Made Bella Fransiska
Makassar Dental Journal Vol. 15 No. 1 (2026): Volume 15 Issue 1 April 2026
Publisher : Makassar Dental Journal PDGI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35856/mdj.v15i1.924

Abstract

Red ginger rhizome (Zingiber officinale var. rubrum) is a plant that is often used as a research material and contains antibacterial compounds such as flavo-noids, oleoresin, essential oils and tannins. This study explored the use of RG extract to inhibit the growth of Streptococcus mutans through laboratory experi-ments using a post-test only control group design, with 24 samples consisting of a positive control group treated with vancomycin antibiotics, and groups trea-ted with RG extract at concentrations of 10%, 30% and 60%. The inhibition power at a concentration of 10% was 6.5 mm, 30% was 6.83 mm, and 60% was 8.83 mm. The higher the extract concentration, the greater the amount of antibacterial compounds released. It was concluded that the inhibition power of RG extract concentrations of 10%, 30% and 60% could inhibit the growth of S.mutans; the 60% concentration was the most effective.
Co-Authors Hartini, I Gusti Agung Ayu Tista, I Gusti Ngurah Bagus