Table 2. Specific growth rates of ethanol-adapted yeast strain series during stepwise increase in ethanol concentration with repetitive cultivation.

Cultivation	Specific growth rate at each ethanol concentration (h−1)
	0%	2.5%	5%	6.5%	8%	9%	10%
First	0.45±0.032	0.38±0.009	0.26±0.006	0.18±0.014	0.12±0.028	0.08±0.012	0.06±0.001
Second	-	0.37±0.005	0.26±0.003	0.17±0.015	0.12±0.020	0.09±0.006	0.06±0.002
Third	-	0.39±0.004	0.26±0.007	-	-	-	-

Average of SGR±standard deviation of four ethanol-adapted strain series in each culture condition is shown.