Antibacterial Activity of Extract Ethanol Bidara Leaves (Ziziphus spina-Christi L) on Enteropathogenic coli
Keywords:antibacterial, bidara leaves (Ziziphus spina-Christi L), EPEC, MIC, MBC
Prokaryotic bacteria are microorganisms can beneficial as normal flora, but also can have health due to
disease pathogens and is for the host. The purpose of this study is to find compounds in extract ethanol
bidara leaves those compounds and activities against bacteria Enteropathogenic coli. This study shows the
flavonoid compounds and tannin in extract ethanol bidara leaves (Ziziphus spina-Christi L) to minimum
inhibitory zone at concentrations 50% and minimum bactericidal at concentrations 75%. The higher
concentration extract ethanol Bidara leaves the larger the drag zone produced. The research is experimental
study looking the extract ethanol antibacterial activity Bidara leaves with the methods in vitro test diffusion.
This study found a chemical compound which is found in extract ethanol Bidara leaves (Ziziphus spina
Christi L) is flavonoid and tannin have antibacterial activity106 CFU/ml against bacteria Enteropathogenic
coli to minimum inhibitory zone at concentrations 50% and minimum bactericidal at concentrations 75%.
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