Differences in the adsorption of enzymes onto lignins from diverse types of lignocellulosic biomass and the underlying mechanism

Table 5 Molecular weights and polydispersity index of lignins

Lignin sample	Mn (Da)	Mw (Da)	Polydispersity (Mw/Mn)
KL	36,719	147,755	4.02
CL	44,530	163,802	3.68
AL	47,389	224,615	4.74
PL	20,039	78,149	3.90

AL, aspen lignin; CL, corn stover lignin; KL, kenaf lignin; Mn, number average molecular weights; Mw, weight average molecular weights; PL, pine lignin.