Psidium Guajava L. Extract Against Minimum Inhibitory Concentration of Staphylococcus Aureus

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Lounh Theo Phong
Nha Thoy Lum


The aim of this research was to evaluate the effects on the growth of Staphylococcus Aureus bacteria in vitro of antibacterial activity of guayava leaf extract (Psidium guajava L.) and guavava leaf extract impact on the growth of staphylococcus Aureus bacteria at different laboratory concentrations. In this experiment, S. Aureus bacteria are being treated to guava leaf extract to identify the lowest inhibitory power for well techniques, and the results have been recorded. The Guava leaf extract (Psidium Guajava L) against Staphylococcus aureus was found to have an inhibitory zone diameter of mm in the absence of tetracycline, and DMSO as a negative control. Findings were observed using the disk diffusion technique or paper disc with concentrations of 1 percent, 3 percent, 5 percent, and 7 percent. Saponins, saponins, alkaloids, and flavonoids found in guava leaves are responsible for their antibacterial effects. Saponins have the potential to disturb the integrity of bacterial cell membranes. This results in bacterial cell membrane destruction, releasing essential components from the cell


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Phong, L. . T., & Lum, N. T. . (2021). Psidium Guajava L. Extract Against Minimum Inhibitory Concentration of Staphylococcus Aureus. Journal of Asian Multicultural Research for Medical and Health Science Study, 2(3), 22-26.


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