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Table 7 Analysis of variance (ANOVA) for the response surface of full quadratic model for optimization of three variables (X1, glucose; X3, Cheese Whey; X5, corn steep liquor)

From: Significantly enhanced biomass production of a novel bio-therapeutic strain Lactobacillus plantarum (AS-14) by developing low cost media cultivation strategy

Source

Sum of Square

Degree of freedom

Mean Square

F-value

P-value

X1

70.46

1

70.46

1182.44

0.0002

X1 2

0.021

1

0.021

0.345

0.4098

X3

10.19

1

10.19

171.07

0.0004

X3 2

1.160

1

1.160

521.321

0.001601

X5

34.60

1

34.60

580.57

0.00131

X5 2

0.029

1

0.029

0.551

0.23481

X1X3

23.78

1

23.78

399.10

0.0001

X1X5

23.59

1

23.50

395.80

0.0035

X3X5

20.52

1

20.52

344.37

0.0003

Lack of fit

0.01336

3

0.004112

2.001

0.311310

Pure error

0.061

2

0.056

  

Total

184.425

14

   
  1. R2: 0.9955; Adjusted R2:0.9936
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Journal of Biological Engineering

ISSN: 1754-1611