Table 1.

Antibacterial and anti-yeast activity of Petamcin-A in comparison with 30 μg mlx⁻¹ nystatin, 0.2 % chlorhexidine and 12 % acetic acid^a

Test strains	Growth inhibition zones, mm
	Petamcin-A	Chlorhexidine	Nystatin	Acetic acid
Escherichia coli	34 ± 0.9	21 ± 0.9	0	18 ± 0.5
Pseudomonas aeruginosa	36 ± 1	12 ± 0.7	0	25 ± 0.8
Salmonella typhimurium	44 ± 0.6	24 ± 1	0	31 ± 0.6
Bacillus licheniformis	54 ± 1.5	21 ± 0.6	0	35 ± 0.7
Bacillus subtilis	43 ± 1.2	19 ± 0.5	0	23 ± 0.6
Lactobacillus delbrueckii subsp. lactis	42 ± 1.2	23 ± 0.7	0	22 ± 0.9
Lactobacillus delbrueckii subsp. bulgaricus	41 ± 1	22 ± 1	0	21 ± 0.6
Micrococcus luteus	63 ± 1.5	31 ± 0.11	21 ± 0.9	45 ± 1
Staphylococcus aureus	56 ± 1	20 ± 0.8	0	29 ± 0.9
Candida albicans	31 ± 0.8	25 ± 0.7	27 ± 1	22 ± 0.4
Candida guilliermondii	45 ± 01.1	28 ± 0.9	26 ± 0.8	24 ± 1.1
Debaryomyces hansenii	79 ± 2	40 ± 1.2	32 ± 1.2	35 ± 0.1

^aAll experiments were independently repeated three times. Mean values with standard deviations are presented, p ≤ 0.003. For strains and details, see Materials and methods