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Table 2 Experimental values of ethanol and biomass resulting from the application of fractional factorial design (FFD) 25−2

From: Statistical prediction of interactions between low concentrations of inhibitors on yeast cells responses added to the SD-medium at low pH values

Runs X 1 X 2 X 3 X 4 X 5 Biomass (mg/mL) Ethanol (g/L)
1 20 5 35 10 10 15.2 ± 0.8 18.9 ± 0.5
2 5 15 10 10 10 13.4 ± 0.1 45.4 ± 0.4
3 5 5 35 30 5 14.2 ± 0.5 34.4 ± 1.0
4 5 15 35 10 5 14.7 ± 2.2 23.2 ± 0.7
5 20 5 10 10 5 15.3 ± 2.4 70.9 ± 3.1
6 20 15 10 30 5 13.1 ± 0.7 27.7 ± 1.4
7 20 15 35 30 10 13.6 ± 1.4 0.0 ± 0.0
8 5 5 10 30 10 13.8 ± 0.1 33.7 ± 1.2
  1. X1 (acetic acid), X2 (formic acid), X3 (levulinic acid), X4 (furfural), and X5 (vanillin). Data are mean ± SD resulted from experimental repetitions