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. 2019 Dec 4;11(12):2010. doi: 10.3390/polym11122010

Figure 6.

Figure 6

Pearson’s correlation coefficient between the deacetylation degree (%DD) of chitosan and superoxide radical scavenging activities of α- and β-chitosan at concentration of 0.5 mg/mL (r = 0.594, p < 0.01) (a), 1 mg/mL (r = 0.599, p < 0.01) (b), 2 mg/mL (r = 0.604, p < 0.01) (c) and 3 mg/mL (r = 0.596, p < 0.01) (d) and between the molecular weight (MW) of chitosan and superoxide radical scavenging activities of chitosan at concentration of 0.5 mg/mL (r = −0.805, p < 0.01) (e), 1 mg/mL (r = −0.822, p < 0.01) (f), 2 mg/mL (r = −0.815, p < 0.01) (g) and 3 mg/mL (r = −0.787, p < 0.01) (h).