GBE1 and Glycosuria: Figure 3 shows that the GbE decreased significantly (P < 0.05) the glucosuria, produced by titanium dioxide, only at 5 to 24 h (29.2 ± 3.2 to 2.5 ± 0.2), and again from 48 to 72 h (19.1 ± 3.5 to 4.8 ± 0.6 mg/dL).