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Bioresources and Bioprocessing
Fig. 2 | Bioresources and Bioprocessing

Fig. 2

From: Mutations in adaptively evolved Escherichia coli LGE2 facilitated the cost-effective upgrading of undetoxified bio-oil to bioethanol fuel

Fig. 2

Cell growth, ethanol fermentation, and inhibitor conversion of the evolved E. coli-L and E. coli-H in bio-oil based minimal media. A Cell growth. OD-L and OD-H denote the OD600 values of E. coli-L and E. coli-H, respectively. B Levoglucosan consumption and ethanol production. LG-L and LG-H denote the levoglucosan residues after consumed by E. coli-L and E. coli-H, respectively, and EtOH-L and EtOH-H the respective ethanol concentrations produced by them. C Acetic acid, formic acid, furfural, and 5-HMF concentrations before (0 h) and after (36 h) fermentation. Conditions: 30 °C, 200 rpm, pH 3.1 or 7.0. Mean values were presented with error bars representing at least two standard deviations

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