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Table 2 Gurijuba swim bladder hydroxyproline and collagen content of CT: COL blends obtained with the three proportions (20:80, 50:50 and 80:20) via the three preparation routes

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

Proportion CT:COL NaOH NaCl NaOH/NaCl
4-Hy (mg. G−1) COL (mg. G−1) 4-Hy (mg. G−1) COL (mg. G−1) 4-Hy (mg. G−1) COL (mg. G−1)
20:80 6.02#* 48.16 4.99 39.92 3.63 29.04
50:50 3.83 30.4 0.15 1.2 2.7 21.6
80:20 3.62 28.96 2.95 23.68 3.57 28.56
  1. 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
  2. #highest value obtained between staging routes
  3. *highest value obtained between chitosan and collagen proportions