Antibacterial activity of extract ethanol bidara leaves (Ziziphus spina-christi l) on enteropathogenic coli

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%.