Table 1.

Minimum Inhibitory Concentration (MIC) and % biofilm inhibition by the Amomum tsao-ko extract for Staphylococcus aureus, Salmonella Typhimurium, Pseudomonas aeruginosa.^a

	Staphylococcus aureus		Salmonella Typhimurium		Pseudomonas aeruginosa
MIC (mg/ml)	1		2		2
Concentration of extract	Total biofilm	% inhibition	Total biofilm	% inhibition	Total biofilm	% inhibition
Control	0.68 ± 0.06	0	1.02 ± 0.08	0	0.53 ± 0.02	0
0.5 mg/ml	0.57 ± 0.02	16.18	0.97 ± 0.02	4.9	0.51 ± 0.01	3.77
1 mg/ml	0.42 ± 0.02	38.24	0.89 ± 0.01	12.47	0.43 ± 0.01	18.87
2 mg/ml	0.39 ± 0.03	42.64	0.65 ± 0.07	38.2	0.31 ± 0.02	41.51
4 mg/ml	0.36 ± 0.02	47.06	0.49 ± 0.02	51.96	0.29 ± 0.003	45.28

^aData are the mean ± SD of three independent experiments.