Table 3. Alterations of pyoverdin, pyocyanin and rhamnolipid production of P. aeruginosa under exposure to ciprofloxacin.

	ATCC 9027	CIP-E1	CIP-E2
Pyoverdin (emission: 405, excitation: 450)	259.2±22.4	222.7±52	240.5±40.5
Pyocyanin (µg ml−1)	1.34±1.48	0.71±0.50	0.43±0.50
Rhamnolipid (mm)	12.63±0.15	11.33±0.26*	11.54±0.56*

^*Significantly different from PA ATCC 9027 (P<0.05).