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Table 3 Analyses of variance (ANOVA) for the quadratic models regressions at 90% confidence level

From: Enhancing effect of lysine combined with other compounds on cephamycin C production in Streptomyces clavuligerus

 

Lysine and alpha-aminoadipic acid (R2 = 0.9543*)

Lysine and 1,3-diaminopropane (R2 = 0.9544*)

Source

SS

DF

MS

F

p

SS

DF

MS

F

p

Model

13,068.14

5

2,613.63

25.06**

6.0 x 10-4

15,993.37

5

3198.67

25.10**

6.0 x 10-4

Residual

625.82

6

104.30

  

764.58

6

127.43

  

Lack of fit

509.35

3

169.78

4.37

0.128

441.58

3

147.19

1.37

0.402

Pure error

116.47

3

38.82

  

323.00

3

107.67

  

Total

13,693.96

11

   

16,757.95

11

   
 

Lysine and cadaverine (R2 = 0.9793*)

Lysine and putrescine (R2 = 0.9006*)

Source

SS

DF

MS

F

p

SS

DF

MS

F

p

Model

3,080.16

5

616.03

56.77**

<10-4

3,650.07

5

730.01

10.87**

5.7 x 10-3

Residual

65.10

6

10.85

  

402.82

6

67.14

  

Lack of fit

32.35

3

10.78

0.99

0.503

318.82

3

106.27

3.79

0.151

Pure error

32.75

3

10.92

  

84.00

3

28.00

  

Total

3,145.26

11

   

4052.89

11

   
  1. *Coefficients of determination for the regressions at 90% confidence level; SS: Sum of Squares; DF: Degrees of Freedom; MS: Mean Square.
  2. **F(5,6) at 90% confidence level = 3.11.