Chromato profile and antibacterial activity extract from bengle rhizome (Zingiber cassumunar Roxb). To Echerichia coli in vitro. Bengle (Zingber cassummunar roxb) was a plant which had been used by socien long time aga as a traditional medicine. It was predicted that there were anti-bacteria in bengle, so it might substitutes the utilization of conventional antibiotics. It was predicted that th…