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Table 5 ANOVA for LA productivity by immobilized L. pentosus ATCC 8041 cells

From: Optimization of immobilized Lactobacillus pentosus cell fermentation for lactic acid production

SourceSum of squaresDegree of freedomMean squareF-valuep-value
Model0.4522140.032382.30< 0.0001
 Bead diameter (DB)0.017710.017745.12< 0.0001
 pH0.026310.026367.06< 0.0001
 Initial glucose concentration (CG)0.193810.1938493.80< 0.0001
 Biomass (BW)0.001210.00123.160.0972
 DB × pH0.000010.00000.12480.7291
 DB × CG1.000 × 10−611.000 × 10−60.00250.9605
 DB × BW0.013610.013634.58< 0.0001
 pH × CG1.000 × 10−611.000 × 10−60.00250.9605
 pH × BW0.008310.008321.100.0004
 CG × BW0.056410.0564143.72< 0.0001
 \({D_{\text{B}}}^{2}\)0.007510.007519.020.0007
 pH20.124510.1245317.26< 0.0001
 \({C_{\text{G}}}^{2}\)0.011510.011529.40< 0.0001
 \({B_{\text{W}}}^{2}\)0.026610.026667.80< 0.0001
Residual0.0055140.0004  
 Lack of fit0.0037100.00040.8594*0.6171
 Pure error0.001740.0004  
Cor total0.457728   
Standard deviation0.0198 R20.9880 
Mean1.97 Adjusted R20.9760 
Coefficient of variation (C.V.%)1.01 Predicted R20.9469 
Press0.0243 Adequate precision34.5080 
  1. *Non-significant at 95% level