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Antibacterial activity of bioactivity guided fraction from B. hispida against E. coli (a), fraction P4 from FPLC, (b) fraction P5 from FPLC, (c) fraction P1 from HPLC, and (d) fraction P2 from HPLC. 1: only water, 2: peptide, and 3: ciprofloxacin.
