Inhibition Activity of Water Hyacinth Leaf Extract (Eichornia Crassipes) to the Growth of Subgingival Plaque Bacteria Colony
Keywords:Antibacterial, bacteria colonies, Eichorniacrassipes, sub gingival plaque bacteria.
Background: Periodontitis is an infectious disease in periodontal tissue and is able to cause a plaque that
contains bacteria on the teeth. These bacteria colonize the oral cavity, invade the periodontal tissue, and
attack the body’s host system. Indonesia has many floras and one of them is called Water hyacinth. This flora
is commonly known as waste because its abbility to pollute the environment. However, water hyacinth has
a useful material including alkaloids, flavonoids, and tannins that can be used as the antibacterial agents.
The study aims to determine the effect water hyancinth leaf extract (echiorniacrassipes) to the growth of
subgingival plaque bacteria colony. Method: The study was conducted by using serial dilution techniques
in the BHIB media with 100%; 50%; 25%; 12,5%; 6,25%; 3,125%; 1,56%; 0,78% concentrations and
planting on MHA medium. The analysis method in this study uses the Shapiro-Wilk Test, Levene’s Test, and
statistical tests with One-Way Anova.
Results: There are significant differences at the growth of sub gingival plaque bacteria. There is no growth
of subgingival plaque bacteriain groups of 100%; 50%; 25%; 12.5% and 6.25%. The growth of subgingival
plaque bacteria colonies was only seen at 3.125% concentration and increased the number of bacteria
colonies at a 1.56%.
Conclusion: Water hyacinth leaf extract was effective to inhibit the growth of sub gingival plaque bacteria
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