Study on Preparation of Water-Soluble Chitosan with Varying Molecular Weights and Its Antioxidant Activity

Figure 3

FT-IR spectra of the initial chitosan (CTS₀), only H₂O₂-degraded chitosan (CTS₁), and WSC samples prepared from CTS₀ (WSC₀), CTS₁ (WSC₁), and degraded chitosan at doses of 3.5 kGy (WSC₂), 10.5 kGy (WSC₃), and 24.5 kGy (WSC₄).