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Table 6 Antimicrobial evaluation of CT:COL blends at a 80:20 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 16.10 ± 0.10 4.65 9.3 16.40 ± 0.10 4.65 9.30 12.30 ± 0.10 9.30 9.30
Listeria monocytogenes ATCC15313 12.26 ± 0.25 75.00 75.00 11.80 ± 0.20 37.5 37.50 12.06 ± 0.11 75.00 75.00
gram-negative Pseudomonas aeruginosa ATCC27853 12.70 ± 0.10 9.30 9.30 13.43 ± 0.32 9.30 18.70 13.23 ± 0.25 9.30 9.30
Escherichia coli ATCC25922 13.00 ± 0.80 37.50 37.50 12.50 ± 0.20 75.00 75.00 13.36 ± 0.20 37.50 37.50
  1. Inhibition zone: values are presented as the mean ± standard deviation of the mean
  2. CT chitosan, COL collagen, NaOH precipitating solution of sodium hydroxid, 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