Table 1.

Antibacterial activity of Pseudopyronine B.

Test bacteria	Pseudopyronine B			Ciprofloxacin
	MIC (μg/ml)	MBC (μg/ml)	Zone of inhibition (Diagram in mm)	MIC (μg/ml)	MIC (μg/ml)	Zone of inhibition (Diagram in mm)
B. subtilis	64	125	20 ± 1	2	2	30 ± 1
B. cereus	16	32	23 ± 0	1	2	31 ± 1.52
S. aureus	4	4	31 ± 0.23	1	2	33 ± 1.14
S. epidermis	1	2	33 ± 0.56	2	4	30 ± 1.77
S. simulans	8	8	28 ± 1.72	4	4	29 ± 0.56
E. coli	–	–	–	1	2	27 ± 0.77
P. mirabilis	–	–	–	0.5	1	29 ± 0.56
P. vulgaris MTCC 1771	–	–	–	2	4	30 ± 1.15
V. cholerae	–	–	–	2	4	31 ± 1.72
K. pneumonia	4	8	25	1	2	25 ± 1.15
P. aeruginosa	–	–	–	2	4	27 ± 0
S. typhi	32	32	22	4	4	29 ± 1

–, recorded no activity.