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Table 4 ANOVA for LA yield 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
Model0.0111140.0008118.09< 0.0001
 Bead diameter (DB)0.000410.000458.95< 0.0001
 pH0.001510.0015222.35< 0.0001
 Initial glucose concentration (CG)0.000810.0008114.12< 0.0001
 Biomass (BW)0.000010.00001.50.2411
 DB × pH6.25 × 10−616.25 × 10−60.92870.3515
 DB × CG4.00 × 10−614.00 × 10−60.59440.4535
 DB × BW9.00 × 10−619.00 × 10−61.340.2669
 pH × CG0.000010.00005.350.0364
 pH × BW0.000710.000796.62< 0.0001
 CG × BW0.000610.000692.87< 0.0001
 \({D_{\text{B}}}^{2}\)0.000010.00003.450.0844
 pH20.00710.00701034.84< 0.0001
 \({C_{\text{G}}}^{2}\)0.000410.000458.14< 0.0001
 \({B_{\text{W}}}^{2}\)0.000210.000230.68< 0.0001
Residual0.0001146.73 × 10−6  
 Lack of fit0.0001107.94 × 10−62.15*0.2403
 Pure error0.000043.70 × 10−6  
Cor total0.011228   
Standard deviation0.0026 R20.9916 
Mean0.9123 Adjusted R20.9832 
Coefficient of variation (C.V.%)0.2844 Predicted R20.9572 
Press0.0005 Adequate precision38.1890 
  1. *Non-significant at 95% level