Quaternary Salts of Chitosan: History, Antimicrobial Features, and Prospects

Figure 8

P. expansum colonies development on cut apple surface coated with different coating solutions after 7 days of storage in a greenhouse at 28°C and 80% humidity. (A) acetic acid control; (B) water control; (C) chitosan; (D) TMC1; (E) TMC2; (F) N-butyl-N,N-dimethylchitosan; (G) N-octyl-N,N-dimethylchitosan; (H) N-dodecyl-N,N-dimethylchitosan.