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Table 2 Analysis of variance for the model regression for yield of reducing sugars

From: Optimization of oxalic acid pre-treatment and enzymatic saccharification in Typha latifolia for production of reducing sugar

Factors

Sum of squares

Degree of freedom

Mean square

F value

Significance

Substrate (%w/v) (L)

1200.478

01

1200.478

172.2361

0.000000****

Substrate (%w/v) (Q)

318.281

01

318.281

45.6648

0.000031****

Enzyme load (L)

14.586

01

14.586

2.0927

0.175892

Enzyme load (Q)

212.384

01

212.384

30.4713

0.000181****

pH (L)

14.774

01

14.774

2.1196

0.173363

pH (Q)

0.381

01

0.381

0.0546

0.819471

Temperature (°C) (L)

0.051

01

0.051

0.0074

0.933150

Temperature (°C) (Q)

125.065

01

125.065

17.9435

0.001398***

1L by 2L

21.739

01

21.739

3.1189

0.105088

1L by 3L

2.024

01

2.024

0.2903

0.600751

1L by 4L

91.250

01

91.250

13.0919

0.004039 ***

2L by 3L

66.872

01

66.872

9.5943

0.010150**

2L by 4L

54.723

01

54.723

7.8513

0.017213**

3L by 4L

12.763

01

12.763

1.8311

0.203152

Error

76.670

11

6.970

  

Total SS

2352.011

25

   
  1. R2 = 0.96
  2. *Significant differences (*p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001)