Improved Sugar Production by Optimizing Planetary Mill Pretreatment and Enzyme Hydrolysis Process

Table 3

Experimental parameters used in the response surface methodology and their effects on the glucose yield. The parameter values that led to greater than yield that exceeded 80% are shown in bold.

Enzyme quantity; (FPU/g-biomass)	Enzyme reaction time (hr)	Milling time; (hr)	Glucose yield (%)
5	3	1	12.7 ± 1.2
5	3	2	14.3 ± 0.2
5	3	4	16.4 ± 0.6
5	12	1	16.8 ± 0.5
5	12	2	20.2 ± 3.0
5	12	4	25.7 ± 0.8
5	24	1	23.5 ± 0.8
5	24	2	36.7 ± 3.2
5	24	4	44.7 ± 1.4
16	3	1	22.1 ± 0.8
16	3	2	26.2 ± 0.3
16	3	4	26.9 ± 0.3
16	12	1	36.3 ± 1.4
16	12	2	40.0 ± 2.4
16	12	4	48.3 ± 0.5
16	24	1	59.6 ± 1.1
16	24	2	71.9 ± 7.2
16	24	4	81.7 ± 4.1
27	3	1	27.5 ± 1.3
27	3	2	33.8 ± 2.4
27	3	4	35.4 ± 1.9
27	12	1	35.4 ± 2.7
27	12	2	42.5 ± 1.4
27	12	4	40.5 ± 9.2
27	24	1	66.2 ± 4.7
27	24	2	82.8 ± 0.6
27	24	4	87.5 ± 1.2