Fig. 2From: Toxicity and inhibition mechanism of gallic acid on physiology and fermentation performance of Escherichia coliShaking flask fermentation of E. coli under different concentrations of gallic acid stress. A Biomass; B acetate level; C glucose consumption; D ATP content; E intracellular concentration of NADH, NAD+ at 20Â h, and the ratio of NADH/ NAD+Back to article page