Table 3 Coefficients of determination for the dependence of the electromagnetic field flux density (2.5, 10 and 15 mT) on ethanol production under aerobic and anaerobic conditions

From: Exploring the impact of magnetic fields on biomass production efficiency under aerobic and anaerobic batch fermentation of Saccharomyces cerevisiae

   

Exponential phase

Stationary phase

  

Time (h)

2

4

6

8

9

R2

Ethanol production

Aerobic conditions

0.8384

0.8286

0.7707

0.9187

0.0469

Anaerobic conditions

0.3202

0.7712

0.9806

0.8882

0.5866

Biomass production

aerobic conditions

0.9247

0.9634

0.9898

0.9862

0.9859

Anaerobic conditions

0.9329

0.9075

0.8421

0.9308

0.9242

  1. The bold cell had an R2 ≥ 0.9 (experimental parameters: mixing: 500 RPM, aeration with oxygen/nitrogen: 2000 cm3/min, pH: 5.5, temperature: 30 °C).