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Table 3 Analysis of variance (ANOVA) for response surface quadratic model

From: Fungal pretreatment of lignocellulosic biomass for the production of plant hormone by Pichia fermentans under submerged conditions

Term

Sum of squares

df

Mean square

P-value

F-value

Model

19840.37

9

2204.49

0.0074

11.57

DW \(\left( {X_{1} } \right)\)

557.75

1

557.75

0.1477

2.93

TRP \((X_{2} )\)

15099.33

1

15099.33

0.0003

79.27

ME \(\left( {X_{3} } \right)\)

423.43

1

423.43

0.1962

2.22

DW*DW \(\left( {X_{1}^{2} } \right)\)

572.38

1

572.38

0.1435

3.01

TRP*TRP \(\left( {X_{2}^{2} } \right)\)

975.71

1

975.71

0.0730

5.12

ME*ME \(\left( {X_{3}^{2} } \right)\)

881.08

1

881.08

0.0842

4.63

DW*TRP \(\left( {X_{1} X_{2} } \right)\)

225.71

1

225.71

0.3260

1.19

DW*ME \(\left( {X_{1} X_{3} } \right)\)

243.83

1

243.83

0.3092

1.28

TRP*ME \(\left( {X_{2} X_{3} } \right)\)

757.55

1

757.55

0.1027

3.98

  1. DW distilled water, TRP tryptophan, ME malt extract