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. 2019 Jul 9;10:1589. doi: 10.3389/fmicb.2019.01589

FIGURE 6.

FIGURE 6

Kinetics of biomass (Inline graphic), itaconic acid (▲), and residual D-xylose (Inline graphic) concentrations as well as of the medium pH (◆) in controlled batch fermentations of A. terreus, performed in a 2-L scale bioreactor. The first three variables share the same y-axis as they are expressed in the same unit (g L– 1). (A) Mn2+ ion-limited culture (<3 μg L– 1]. (B) Culture supplemented with 0.1 mg L– 1 Mn2+ ions.