Abstract
Research on the test of the antibacterial activity of leaf extracts of zodia plants (Evodia suaveolens) on the growth of Staphylococcus aureus ATCC 25923 bacteria has been carried out. Zodia originates from Irian Island/Papua, which is known as a mosquito repellent plant. This study aims to examine the potential of zodia leaves ethanol extract as antibacterial in vitro by agar diffusion method. Zodia leaf powder was macerated using ethanol solvent then the filtrate was concentrated using rotary evaporator vacuum until the concentrated extract was obtained. Antibacterial test on Staphylococcus aureus ATCC 25923 was carried out at the concentration of the test solution (5, 10, 20, 40, 60, 80%), negative and positive control. The one-way ANOVA test on inhibition zone diameter data was useful for assessing the effect of zodia ethanol extracts at various concentrations. The research data showed that zodia ethanol extracts with concentration of 20% were more effective in the process of inhibiting the growth of Staphylococcus aureus ATCC 25923 with inhibition zone diameters of 8.74 mm. Thus, the ethanol extract of zodia leaves has the potential to be further developed as an antibacterial.
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