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Table 1 Box-Behnken designed matrix of a surface methodology showing significant variables in coded levels, and the experimental and predicted values of responses

From: Saccharification and co-fermentation of lignocellulosic biomass by a cockroach-gut bacterial symbiont and yeast cocktail for bioethanol production

Run

A: RHP

B: CCP

C: INV

D: PEP

eCact

pCact

eXact

pXact

1

1

0

0

1

214.05

201.17

325.52

322.22

2

0

-1

-1

0

39.06

33.52

243.85

245.06

3

0

0

-1

-1

111.28

119.95

235.95

236.12

4

0

-1

1

0

96.63

96.24

239.84

239.77

5

0

1

0

1

100.07

96.92

248.12

248.91

6

0

0

1

1

200.29

203.6

272.83

276.27

7

-1

0

0

-1

111.84

121.16

251.19

252.73

8

1

0

0

-1

107.93

106.14

277.84

277.79

9

0

0

0

0

188.65

195.43

268.39

263.57

10

0

0

0

0

179.09

195.43

256.15

263.57

11

-1

0

-1

0

70.35

60.69

220.64

217.8

12

0

1

1

0

45.73

47.71

255.74

252.77

13

0

0

-1

1

41.38

50.23

218.67

222.1

14

1

0

-1

0

105.72

106.57

257.42

257.15

15

1

1

0

0

30.97

40.47

284.73

285.78

16

0

0

0

0

208.54

195.43

257.05

263.57

17

0

-1

0

1

120.67

126.31

290.73

288.09

18

0

1

-1

0

39.56

36.39

203.47

201.77

19

0

0

1

-1

37.47

40.61

227.48

227.65

20

1

0

1

0

129.84

131.08

291.85

292.85

21

0

0

0

0

210.59

195.43

269.63

263.57

22

-1

0

0

1

121.18

119.41

244.61

242.9

23

-1

1

0

0

101.48

110.38

233.47

235.51

24

0

-1

0

-1

78.39

73.11

249.38

246.75

25

1

-1

0

0

163.49

166.57

301.28

302.85

26

-1

-1

0

0

27.45

29.93

246.18

248.73

27

-1

0

1

0

119.48

110.21

229.38

227.81

28

0

1

0

-1

70.92

56.85

254.85

255.65

29

0

0

0

0

190.29

195.43

266.63

263.57

  1. RHP-rice husk powder; CCP-corn cob powder; INV-inoculum volume; PEP-peptone; eCact-experimental cellulolytic activity; pCact-predicted cellulolytic activity; eXact-experimental xylanolytic activity; pXact-predicted xylanolytic activity