Figure 3From: Synthetic sugar cassettes for the efficient production of flavonol glycosides in Escherichia coli Substrate optimization from different concentration of fisetin (0.2, 0.3, 0.4, 0.6, 0.8, 1.0 mM) according to the cell growth at OD600nm and production of fisetin 3-O-glucoside (a, b) and fisetin 3-O-rhamnoside (c, d) in 60 h incubation time by the strains S1 and S5, respectively.Back to article page