The Study of Efficacy of Herbal Extracts on Growth Inhibition of Pathogenic Bacteria and Surface Bacteria
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Abstract
The study of efficacy of Thai herbs extracted on growth inhibition of pathogenic bacterial and surface bacterial. Lime (Citrus aurantifolia), ginger (Zingiber offcinale) and turmeric (Curcuma longa) were extracted with 2 different solvents; water and ethanol. Then thai herb extracts were tested antibacterial activities against Escherichia coli, Staphylococcus aureus and Salmonella spp. by using broth dilution test with the extract concentration of 100, 50, 25, 12.5 and 6.25 mg/mL. The results showed that turmeric extracted with ethanol had the highest efficacy to inhibit 3 pathogenic bacterial with MIC and MBC of 6.25 and 50 mg/mL, respectively. The car operating panel inside of elevator had the highest number of total bacteria. Turmeric extracted with ethanol showed the highest activity to inhibit 52.85% of control at concentration of 50 mg/mL. The all results suggest that Thai herbs especially turmeric can apply to use for inhibiting and killing pathogenic and surface bacterial which reduce the risk of exposure to chemicals and improve safety of human being.
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References
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