Determination of methanol utilization, methanol volatilization, and methanol residual in all groups. Shown are mean values and SEs of results from three separately grown cultures. Calculation formulas were as follows: methanol utilization = C3 – C2; methanol volatilization = C1 – C3. (C1, initial methanol concentration; C2, methanol concentration [with inoculation] at the end of fermentation; C3, methanol concentration [without inoculation] at the end of fermentation.)