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Table 5 Coefficient and p values for independent variables and their interactions, obtained from optimization of culture media composition

From: Vinasse: from a residue to a high added value biopolymer

Variable Coefficient p value
C − 0.2956 0.044
N − 0.3384 0.028
Ph − 0.0155 0.894
C2 − 0.0783 0.651
C–N 0.2130 0.231
C–Ph − 0.3106 0.104
N2 0.5745 0.017
N–Ph − 0.2287 0.203
Ph2 0.3570 0.080
  1. C carbon; N nitrogen; Ph phosphorous