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Table 5 Antimicrobial evaluation of CT:COL blends at a 50:50 ratio

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 12.60 ± 0.10 4.65 9.30 13.35 ± 0.04 4.65 9.30 10.56 ± 0.15 9.30 9.30
Listeria monocytogenes ATCC15313 11.66 ± 0.32 75.00 75.00 10.73 ± 0.11 75.00 75.00 11.53 ± 0.15 75.00 150.00
gram-negative Pseudomonas aeruginosa ATCC27853 12.63 ± 0.55 9.30 9.30 12.73 ± 0.11 9.30 18.70 11.63 ± 0.25 18.70 18.70
Escherichia coli ATCC25922 10.76 ± 0.15 37.50 37.50 09.63 ± 0.30 37.50 37.50 10.63 ± 0.30 37.50 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