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Table 5 Statistical analysis of the effects of pretreatment parameters on corn stover hydrolysis a

From: Understanding of alkaline pretreatment parameters for corn stover enzymatic saccharification

  Glucose (hydrolysis) Xylose (hydrolysis) Glucose (overall) Xylose (overall)
R2 0.951 0.966 0.914 0.939
Prob > F < 0.0001* < 0.0001* < 0.0001* < 0.0001*
Terms Estimate p value estimate p value Estimate p value Estimate p value
NaOH loading 6.417 < 0.0001* 5.084 < 0.0001* 5.962 < 0.0001* 2.987 < 0.0001*
Temperature 0.002 < 0.0001* 0.002 < 0.0001* 0.001 < 0.0001* 0.001 < 0.0001*
Time 0.0003 0.159 0.0003 0.0592 0.0002 0.336 9.604 × e-5 0.467
NaOH loading × temperature −0.004 0.852 −0.052 0.0017* −0.004 0.835 −0.042 0.0022*
NaOH loading × time 0.004 0.786 −0.006 0.594 0.0001 0.998 −0.003 0.743
Temperature × time 6.139 × e-6 0.663 6.798 × e-6 0.491 4.46 × e-6 0.763 3.804 × e-7 0.948
NaOH loading × NaOH loading −26.181 0.263 −86.943 < 0.0001* −43.260 0.086 −76.638 < 0.0001*
Temperature × temperature −7.616 × e-5 0.0002* −6.44 × e-5 < 0.0001* −7.753 × e-5 0.0002* −5.918 × e-6 < 0.0001*
Time × time 8.50 × e-6 0.411 −4.701 × e-6 0.514 5.53 × 10-6 0.628 3.898 × e-7 0.948
  1. a Numbers with asterisk indicate that the term has a significant effect at 95 % confidence interval.