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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 2. Xylanolytic activity produced by A. niger GS1 using SSF with supplemented ACS, according to a 29-5 fractional factorial design.



Ta

YE

AS

G

SP

MS

IS

PP

CUS

ZS

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

1

-1

1

1

1

1

1

-1

-1

-1

7.4 ± 2.0

2

-1

1

-1

-1

1

-1

1

1

-1

NDc

3

1

1

-1

1

-1

1

1

-1

-1

0.7 ± 0.5

4

1

-1

-1

1

-1

-1

1

1

1

0.3 ± 0.01

5

-1

-1

1

1

1

-1

-1

1

1

11 ± 1.0

6

1

-1

1

-1

-1

1

-1

-1

1

12 ± 0.6

7

-1

-1

-1

1

-1

-1

-1

-1

-1

NDc

8

1

-1

-1

-1

1

1

-1

1

-1

1.2 ± 0.5

9

1

-1

1

1

1

-1

1

-1

-1

11.7 ± 0.1

10

-1

1

1

-1

-1

-1

1

-1

1

6.5 ± 1.0

11

1

1

1

1

1

1

1

1

1

6.5 ± 0.5

12

-1

-1

-1

-1

1

1

1

-1

1

NDc

13

-1

1

-1

1

-1

1

-1

1

1

1.3 ± 0.03

14

-1

-1

1

-1

-1

1

1

1

-1

6.0 ± 0.6

15

1

1

-1

-1

1

-1

-1

-1

1

2.0 ± 0.7

16

1

1

1

-1

-1

-1

-1

1

-1

4.0 ± 1.4

P-value

0.008

<0.001

<0.001

0.060

0.023

0.924

0.068

<0.001

0.011

aT = Treatment number. bValues are averages of data from three independent experiments ± standard deviation. cND no detected. Factors symbols are shown in Table 1.