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Table 2 Analysis of variance (ANOVA) for the response of bioemulsifier production ( Y 1 ) a and emulsifying activity ( Y 2 ) b of T. mycotoxinivorans cultivated in medium containing biodiesel refinery residue

From: Bioconversion of biodiesel refinery waste in the bioemulsifier by Trichosporon mycotoxinivorans CLA2

Response Terms of the Model Degrees of freedom Estimated Sum of squares Mean squares F-value P-value
Y 1 b0 - 53.6818 - - - 0.000
  X 2 1 −25.0418 33066316 33066316 47.56 0.000c
  X 3 1 299.589 146492422 146492422 210.73 0.000c
  X 2 *X 3 1 26.2696 12962460 12962460 18.65 0.000c
  Full model 3 - 192521198 64173733 92.31 0.000c
  Total Error 56 - 38930197 695182 - -
  Total 59 - - - - -
Y 2 b0 - −37.7272 - - - 0.000
  X 2 1 1.63938 4270.1 4270.1 22.21 0.000c
  X 3 1 32.3493 15038.7 15038.7 78.22 0.000c
  X 2 2 1 - 0.0141048 1384 1384.0 7.20 0.010c
  X 3 2 1 - 3.50229 2059 2059.2 10.71 0.002c
  Full model 4 - 22473 5618.2 29.22 0.003c
  Total Error 55 - 10574 192.2 - -
  Total 59 - - - - -
  1. Coefficient of variation (CV): a 31.45, b 23.87. Coefficient of determination (R2): a 83.18,b 68.00. c Significant at 5% level (P < 0.05).