Table 6. Chemical composition of alkaline pre-treated (40 g L-1 NaOH) CS (1:10 v/v ratio, CS:alkali solution) at different EE [1.6 U xylanase activity (g dry ACS)-1] contact times (ACS moisture content = 800 g kg-1). |
Contact time (hrs) |
NDF |
ADF |
H |
C |
L |
0 |
70 ± 0.5a |
47 ± 0.3a |
21.8 ± 0.5a |
36.5 ± 0.5a |
5.5 ± 0.04a |
4 |
69 ± 0.6a |
47 ± 0.2a |
21.6 ± 0.8a |
35.4 ± 0.5a |
5.5 ± 0.04a |
8 |
67 ± 0.5b |
46 ± 0.2a |
19.2 ± 0.1b |
33 ± 0.2b |
4.7 ± 0.05b |
12 |
67 ± 0.3b |
47 ± 0.3a |
19.8 ± 0.5b |
32.8 ± 0.5b |
4.7 ± 0.05b |
cNDF = Neutral detergent fiber. dADF = Acid detergent fiber. eH = Hemicellulose. fC = Cellulose. gL = Lignin. Values represent mean of three independent experiments ± standard deviation. Different letters in same column indicate significant differences at P < 0.05. |
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