FIGURE 3.

Time course of SO₄ ²⁻ uptake. Red blood cells were left untreated (control) or treated with 100 mM D-Gal (24 h, at 25°C) with or without pre-incubation with 5 μg/mL peel or juice extract (15 min at 37°C). Red blood cells were also exposed to a specific inhibitor of band 3 (10 µM DIDS). ns, not statistically significant versus untreated (control); **p < 0.01 and ***p < 0.001 versus control; ◦ p < 0.05 and ◦◦ p < 0.01 versus 100 mM D-Gal, one-way ANOVA followed by Bonferroni’s multiple comparison post hoc test (n = 15).