Fig. 5From: Optimization of whole-cell biotransformation for scale-up production of α-arbutin from hydroquinone by the use of recombinant Escherichia coliBatch-feeding whole-cell biotransformation for industrial-scale production of α-arbutin in a 5000-L reactor. a The concentration of α-arbutin and hydroquinone in reaction mixture and the accumulated amount of hydroquinone during the catalysis process of Batch 1#. b The picture of purified product of α-arbutin. Square: the concentration of α-arbutin, circle: the concentration of hydroquinone, triangle: total feeding amount of hydroquinoneBack to article page