Research Article

Improvement of Ethanol Tolerance by Inactive Protoplast Fusion in Saccharomyces cerevisiae

Table 1

Comparison between strains Q and L and the fusant QL-f2 with respect to fermentation properties.

Strain QStrain LFusant QL-f2

CO2-weight-loss rate (g·d−1)1.03 ± 0.040.91 ± 0.081.18 ± 0.05
SO2 concentration (mg·L−1)8.91 ± 0.426.99 ± 0.517.96 ± 0.44
α-N assimilability (%)53.2 ± 1.3148.2 ± 1.3952.9 ± 1.08
GSH concentration (mg·L−1)0.46 ± 0.020.62 ± 0.030.43 ± 0.02
Sedimentation (%)73.2 ± 1.0468.2 ± 0.9876.6 ± 1.12
Tolerable ethanol concentration (%)101414