Table 2.

The antibacterial activities of the dressings evaluated by the time-kill assay (number of colony-forming units).

Dressings	Minimum Inhibition Concentrations (MIC)
	S.U-1h	S.U-2h	S.U-4h	S.U-24h	PS.a-1h	PS.a-2h	PS.a-4h	PS.a-24h
Positive control	22 ± 1.2	87 ± 5.5	201 ± 4.9	552 ± 9.1	21 ± 1.8	39 ± 3.1	83 ± 5.01	493 ± 6.6
CA/Gel	20 ± 2.5	72 ± 3.6	193 ± 7.16	499 ± 6.3	18 ± 0.2	33 ± 2.3	76 ± 4.7	460 ± 6.1
CA/Gel/Beri	17 ± 1.4	50 ± 2.9	78 ± 4.9	70 ± 3.7	16 ± 3.1	25 ± 3.06	31 ± 0.7	44 ± 5.7

Abbreviation: MIC: Minimum Inhibition Concentrations, S.U: Staphylococcus aureus, PS.a: Pseudomonas aeruginosa, CA: Cellulose acetate, Gel: Gelatin, beri: Berberine.