Figures (8)  Tables (1)
    • Figure 1. 

      Aldehyde content of OKGM prepared under different (a) oxidation times and (b) oxidant concentrations. The data in this figure is expressed as mean ± SD, different letters in this curve indicate significant differences (p < 0.05).

    • Figure 2. 

      Infrared spectra of (a) COCH, (b) COBH and (c) COPH with different mixing ratios.

    • Figure 3. 

      Microstructure of COCH, COBH and COPH with different mixing ratios.

    • Figure 4. 

      Gelatin strength of COCH, COBH and COPH with different mixing ratios. The data in this figure is expressed as mean ± SD, different letters in the same material indicates significant differences (p < 0.05).

    • Figure 5. 

      Swelling rate of (a) COCH, (b) COBH, and (c) COPH with different mixing ratios.

    • Figure 6. 

      Thermogravimetric analysis of (a) COCH, (b) COBH, and (c) COPH with different mixing ratios.

    • Figure 7. 

      Moisture evaporation rate of (a) COCH, (b) COBH, and (c) COPH with different mixing ratios.

    • Figure 8. 

      (a) Anti-S. aureus and (b) E. coli activity of COCH, COBH and COPH with different mixing ratios.

    • T21 (ms)T22 (ms)T23 (ms)P21P22P23
      COCH-13.152 ± 0.437a27.466 ± 0.953a530.627 ± 0.100e24.990 ± 0.394d7649.545 ± 0.963m173.803 ± 3.172d
      COCH-22.676 ± 0.487a19.902 ± 0.468c526.32 ± 0.798e27.593 ± 0.585c,d7914.01 ± 1.024h166.833 ± 2.574e
      COCH-31.978 ± 0.633a,b17.544 ± 0.200c,d581.293 ± 1.175d30.025 ± 0.370c7972.7 ± 1.590e167.659 ± 0.626e
      COCH-40.675 ± 0.088c14.759 ± 0.058d332.846 ± 0.881h32.866 ± 0.355a,b8506.39 ± 3.585b153.705 ± 1.037g
      COCH-12.7845 ± 0.731a23.558 ± 1.133b581.118 ± 1.000d35.838 ± 1.079a7775.183 ± 2.558l178.562 ± 1.297d
      COCH-22.401 ± 1.091a17.012 ± 1.604c,d483.093 ± 1.696g30.917 ± 0.319c7944.58 ± 3.422g161.966 ± 0.922f
      COCH-31.5705 ± 0.484a,b17.6185 ± 1.017c,d504.607 ± 0.050f33.752 ± 1.111a8295.7 ± 0.714d153.496 ± 2.485g
      COCH-40.557 ± 0.086c13.601 ± 0.200d303.613 ± 0.945i33.392 ± 0.177a8912.46 ± 2.481a124.857 ± 0.607h
      COPH-13.382 ± 0.260a26.308 ± 0.714a719.183 ± 1.966b26.274 ± 3.302c,d7403.543 ± 0.526n256.824 ± 0.806a
      COPH-22.675 ± 1.422a19.635 ± 0.999c627.106 ± 0.112c28.1985 ± 0.773c,d7857.69 ± 1.734i216.393 ± 0.314b
      COPH-32.072 ± 1.050a17.586 ± 0.048c,d765.049 ± 1.832a31.524 ± 0.061b7952.09 ± 1.003f193.956 ± 1.258c
      COPH-41.548 ± 0.108b16.209 ± 1.508c,d506.198 ± 1.641f31.542 ± 0.182b8331.59 ± 0.7845c176.078 ± 2.867d
      The data in this table is expressed as mean ± SD, different letters in the same column indicates significant differences (p < 0.05).

      Table 1. 

      Low-field nuclear magnetic characterization of COCH, COBH and COPH with different mixing ratios.