Figure 4From: Effects of aromatic compounds on the production of bacterial nanocellulose by Gluconacetobacter xylinus Cultivation of G. xylinus in medium containing vanillin. The figure shows changes in (A) the glucose concentration of the culture medium, (B) the pH value of the culture medium, (C) the concentration of living cells, and (D) the concentration of vanillin. Vanillin was added on day one. Error bars show standard errors of means of three replicates.Back to article page