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Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2011 by Universidad Católica de Valparaíso -- Chile
Vol. 14 No. 2, Issue of April 15, 2011
 

Table 4. Draper-Lin design to optimize xylanolytic activity from SSF of supplemented ACS using four factors, with two central points.



Ta

YE

AS

G

CUS

Xylanolytic activity
[U (mg protein)-1]b

1

-1

1

1

1

16.38 ± 1.41

2

-1

-1

1

-1

15.32 ± 2.12

3

-1

1

-1

1

3.44 ± 1.84

4

0

1.68

0

0

10.41 ± 1.83

5

0

0

1.68

0

18.11 ± 2.82

6

-1

-1

-1

-1

13.74 ± 0.99

7

-1.68

0

0

0

8.67 ± 1.17

8

1

1

1

-1

13.9 ± 4.24

9

1

-1

-1

1

6.74 ± 0.99

10

0

0

0

0

21.17 ± 0.04

11

0

0

0

0

21.17 ± 0.57

12

1.68

0

0

0

24.37 ± 0.85

13

0

0

0

1.68

17.21 ± 0.70

14

0

0

-1.68

0

4.82 ± 0.85

15

1

-1

1

1

14.91 ± 2.06

16

0

-1.68

0

0

6.84 ± 1.41

17

0

0

0

-1.68

29.19 ± 2.83

18

1

1

-1

-1

9.85 ± 0.99

aT = treatment. bValues represent mean of two independent experiments ± standard deviation. Factors symbols are shown in Table 1.