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Table 2 Analysis of variance for xylitol production

From: Biovalorisation of crude glycerol and xylose into xylitol by oleaginous yeast Yarrowia lipolytica

Source

DF

Seq SS

Adj SS

Adj MS

F

p

Blocks

1

68.61

68.61

68.61

15.35

0.002

Regression

14

1402.25

1402.25

100.16

22.41

< 0.001

Linear

4

489.28

489.28

122.32

27.37

< 0.001

Xylose

1

424.91

424.91

424.91

95.08

< 0.001

NH4Cl

1

35.71

35.71

35.71

7.99

0.01

YNB

1

24.22

24.22

24.22

5.42

0.04

Phosphate

1

4.44

4.44

4.44

0.99

0.37

Square

4

404.82

404.82

101.21

22.65

< 0.001

Xylose*Xylose

1

9.54

0.14

0.14

0.03

0.86

NH4Cl*NH4Cl

1

341.93

352.75

352.75

78.93

< 0.001

YNB*YNB

1

7.65

3.14

3.14

0.7

0.42

Phosphate*Phosphate

1

45.7

45.7

45.70

10.23

0.01

Interaction

6

508.15

508.15

84.69

18.95

< 0.001

Xylose*NH4Cl

1

8.73

8.73

8.73

1.95

0.18

Xylose*YNB

1

51.99

51.99

51.99

11.63

0.004

Xylose*Phosphate

1

8.09

8.09

8.09

1.81

0.2

NH4Cl*YNB

1

273.24

273.24

273.24

61.14

<0.001

NH4Cl*Phosphate

1

4.56

4.56

4.56

1.02

0.33

YNB*Phosphate

1

161.56

161.56

161.56

36.15

< 0.001

Residual Error

14

62.57

62.57

4.47

  

Lack-of-Fit

10

29.03

29.03

2.90

0.35

0.92

Pure Error

4

33.54

33.54

8.38

  

Total

29

1533.43

    
  1. DF: degree of freedom; Seq SS: sequential sum of square; Adj SS: adjusted sum of square; Adj MS: adjusted mean square; F: variance ratio (Fisher F-value); p: probability value