Fig. 1
From: Effect of red beetroot juice on oxidative status and islet insulin release in adult male rats
Intraperitoneal glucose tolerance test in animals: a plasma glucose concentration and b insulin level. Values are mean ± SEM. Statistical comparison between groups was made using two-way ANOVA and followed by a Bonferroni post-hoc test, n = 6 each group; Beetroot (red beetroot juice) vs. control (*P < 0.05, **P < 0.01, ***P < 0.001). The experiment was conducted on fasting