Figure 1. Animal general and biochemical characteristics. A: Bodyweight. B: Food intake. C: Fasting blood glucose levels. D: Plasma vitamin B₁₂. E: Plasma homocysteine levels in rats (n = 8). Data are mean ± standard error of the mean (SEM). C, control; D, diabetes, D+B12, diabetic rats treated with vitamin B₁₂. *Significant difference from the control group; ^#significant difference from the diabetes group (p<0.05).