Reducing Sugar Production from Teff Straw Biomass Using Dilute Sulfuric Acid Hydrolysis: Characterization and Optimization Using Response Surface Methodology

Table 2

Experimental results for the dilute acid hydrolysis of Teff straw for total reducing sugar (TRS) yield.

Run No	Acid concentration (v/v %)	Temperature (^oC)	Hydrolysis time (min)	Liquid to solid ratio (ml/g)	TRS (mg/g)
1	2.25	80.00	30.00	20.00	16.7
2	4.00	100.00	45.00	10.00	23.5
3	2.25	80.00	45.00	30.00	18.1
4	2.25	100.00	45.00	20.00	20.1
5	2.25	120.00	60.00	20.00	24.3
6	0.50	100.00	45.00	10.00	16.4
7	2.25	80.00	60.00	20.00	19
8	2.25	120.00	45.00	10.00	22.8
9	2.25	100.00	45.00	20.00	20.1
10	0.50	100.00	45.00	30.00	17.9
11	2.25	100.00	60.00	10.00	21.5
12	2.25	100.00	60.00	30.00	21.2
13	2.25	100.00	30.00	30.00	19.5
14	0.50	80.00	45.00	20.00	15.9
15	2.25	100.00	45.00	20.00	20.1
16	2.25	120.00	45.00	30.00	22.6
17	2.25	100.00	30.00	10.00	18.7
18	0.50	120.00	45.00	20.00	18.7
19	2.25	80.00	45.00	10.00	16.8
20	4.00	120.00	45.00	20.00	26.3
21	2.25	120.00	30.00	20.00	20.8
22	4.00	100.00	30.00	20.00	21.4
23	0.50	100.00	60.00	20.00	18.5
24	4.00	100.00	60.00	20.00	24.5
25	0.50	100.00	30.00	20.00	16.9
26	4.00	80.00	45.00	20.00	19.6
27	4.00	100.00	45.00	30.00	23.1