Factors Determining the Antimicrobial Effectiveness of Chitosan: A Critical Analysis of the Impact of Molecular Weight and Degree of Deacetylation.

Molecules · 2026 · PMC13413926 · PMID 42513096

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a clear trendno p-value reported

In terms of MW, we observed a clear trend in researchers’ preference for low molecular weight chitosans—the dominant group consisted of chitosans with a molecular weight of below 30 kDa ( n = 39).

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highly significantno p-value reported

- Multiple linear regression: Snedecor’s F-test (Analysis of Variance—ANOVA), F = 1.71 × 10 −11 < 0.001, highly significant for n = 108.

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