Structural reorganisation of cellulose fibrils in hydrothermally deconstructed lignocellulosic biomass and relationships with enzyme digestibility

Table 2 Kinetic parameters for enzyme hydrolysis of eucalyptus pulp and hydrothermally processed wheat straw

Sample	Average normalised rate constant (min^-1)	Fitted proportions (%)			Fitted rate constants (*normalised by proportion) (min^-1)		R²of fit
		Non digestible	Fast digesting	Slow digesting	Fast	Slow
As-received wheat straw	0.009	81	6	13	0.46 (*0.028)	0.058 (*0.008)	0.989
Straw hydrothermally processed to 180^oC	0.03	30	17	53	0.65 (*0.11)	0.046 (*0.02)	0.996
Straw hydrothermally processed to 200^oC	0.10	2	98	0	0.10		0.994
Neverdried straw hydrothermally processed to 200^oC	0.14	1	99	0	0.14		0.993
As-received eucalyptus pulp	0.03	0	42	58	0.12 (*0.05)	0.020 (*0.01)	0.998
Fibrillated hydrothermally processed straw (200^oC)	0.24	2	98	0	0.24		0.995
Fibrillated eucalyptus pulp	0.08	0	30	70	0.50 (*0.15)	0.065 (*0.05)	0.999

ISSN: 2731-3654