Abstract
This research is aimed to find out the extract activity dried simplisia of garlic (Allium sativum L.) as an antibacterial which is capable to inhibiting growth of Bacillus cereus bacterium, to find out the alkaloid secondary of metabolites, flavonoid, tannin and saponin that contained in dried extract of garlic and to find out a concentration that has the most antibacterial activity which is capable to inhibiting growth of Bacillus cereus bacterium. Garlic was extracted by maceration method using a solvent ethanol 96%. After the extract obtaned, then phtochemical screening and standardization test. Thickening technique by evaporation used vacum rotary evaporator until thick extarct was obtained. Antibacterial activity thest by using disk diffusion method. This research was used seven concentrations which were 20% (b/v), 30% (b/v). 40% (b/v), 50% (b/v), 60% (b/v), 80% (b/v)and100% (b/v). The result of phytochemical screening test, ethanol extract garlic (Allium sativum L.) positive contained compound alkaloid, flavonoid, saponin and tannin. Standardization of power simplisia fulfill the requirements set by Depkes RI 2000. The result of activity test of optimum antibacterial was obtained inhibitory power with the number 27 mm on 40% (b/v) concentration. This proves that garlic (Allium sativum L.) have antibacterial affects against Bacillus cereus bacterium
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