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Table 4 Statistical evaluation (paired samples test) of ethanol production (g/L) in acid and enzymatic hydrolysates of wheat straw by wild type mutants of Pichia Stipitis and Candida shehatae

From: Enhanced bioethanol production from wheat straw hemicellulose by mutant strains of pentose fermenting organisms Pichia stipitis and Candida shehatae

 

Paired differences (dependent sample t test)

95 % Confidence interval of the difference

Mean

Mean differences

SD

t

P value

Significant Y/N

Pair 1

5.31

7.12

1.81

0.02516

125.03

<0.0001

Y****

Pair 2

5.31

5.07

0.24

0.03214

12.572

0.0063

Y**

Pair 3

4.96

4.23

0.73

0.04509

28

0.0012

Y**

Pair 4

4.96

5.73

0.77

0.0450

29.064

0.0012

Y**

Pair 5

6.91

8.26

1.35

0.0208

112.88

0.0001

Y****

Pair 6

6.91

6.04

0.87

0.03214

46.150

0.0005

Y***

Pair 7

5.93

5.11

0.82

0.02081

67.674

0.0002

Y***

Pair 8

5.93

6.88

0.95

0.06658

25.580

0.00015

Y**

  1. Pair 1: Ethanol production (PSP vs PSUV9) in dilute acid hydrolysate of wheat straw
  2. Pair 2: Ethanol production (PSP vs PSEB5) in dilute acid hydrolysate of wheat straw
  3. Pair 3: Ethanol production (CTP vs CTUV4) in dilute acid hydrolysate of wheat straw
  4. Pair 4: Ethanol production (CTP vs CTEB7) in dilute acid hydrolysate of wheat straw
  5. Pair 5: Ethanol production (PSP vs PSUV9) in enzymatic hydrolysate of wheat straw
  6. Pair 6: Ethanol production (PSP vs PSEB5) in enzymatic hydrolysate of wheat straw
  7. Pair 7: Ethanol production (CTP vs CTUV4) in enzymatic hydrolysate of wheat straw
  8. Pair 8: Ethanol production (CTP vs CTEB7) in enzymatic hydrolysate of wheat straw
  9. Y/N yes/no
  10. ****P ≤ 0.0001; ***0.0001 > P < 0.0009; **P > 0.0009
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