Inhibition of Amphiphilic N-Alkyl-O-carboxymethyl Chitosan Derivatives on Alternaria macrospora

Figure 4

¹H NMR spectra of carboxymethyl chitosan (CCS) and alkyl carboxymethyl chitosan (ACCS) with different chain length: (a) CCS, (b) C₄-CCS, (c) C₁₀-CCS, and (d) C₁₂-CCS.