Skip to main content

Table 4 Antimicrobial evaluation of CT:COL blends at a ratio of 20:80

From: Characterization, antimicrobial and cytotoxic activity of polymer blends based on chitosan and fish collagen

 

Bacteria

NaOH

NaCl

NaOH/NaCl

 

Inhibition zone (mm)

MIC

MBC

Inhibition zone (mm)

MIC

MBC

Inhibition zone (mm)

MIC

MBC

gram-positive

Staphylococcus aureus ATCC25923

12.50 ± 0.80

9.30

18.70

10.30 ± 0.10

18.70

18.70

10.58 ± 0.07

9.30

18.70

Listeria monocytogenes ATCC 15,313

10.16 ± 0.15

75.00

150.00

10.66 ± 0.11

150.00

150.00

9.70 ± 0.11

150.00

150.00

gram-negative

Pseudomonas aeruginosa ATCC27853

09.73 ± 0.15

9.30

18.70

11.43 ± 0.15

18.70

37.50

10.83 ± 0.76

18.70

18.70

Escherichia coli ATCC 25,922

08.56 ± 0.25

150.00

150.00

08.73 ± 0.15

75.00

75.00

08.53 ± 0.25

75.00

75.00

  1. Inhibition zone: values are presented as the mean ± standard deviation of the mean
  2. CT chitosan, COL collagen, NaOH precipitating solution of sodium hydroxide, NaCl precipitating solution of sodium chloride, NaOH/NaCl precipitating solution combined with sodium hydroxide and sodium chloride; MIC minimal inhibitory concentration; MBC minimal bactericidal concentration