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Diabetes mellitus (DM) is a chronic metabolic disorder characterized by persistent hyperglycemia. The prevalence of Diabetes mellitus is expected to increase to 5.3% by 2030. This study aimed to determine the effects of ethanolic extract of Cyperus esculentus tubers on alloxan-induced diabetes mellitus and lipid profile in male Wistar rats. A total of 25 Wistar rats were used for the study. Diabetes was induced by injection of alloxan 100 mg/kg and rats with blood glucose levels 200 mg/kg and above were considered diabetic. The rats were randomly divided into five groups (n = 5), group 1, normal control, group II, negative (diabetic) control, and Group III and Group IV were diabetic rats treated with 400mg/Kg and 800mg/Kg body weight of the ethanolic extract of Cyperus esculentus tubers and group V were diabetic rats treated with 10mg/Kg body weight Metformin. All treatments lasted for 28 days and Blood glucose levels were checked at weeks 0, 1, 2, 3, and 4 respectively. At the end of the treatment period, the rats were sacrificed and the blood samples collected were used to determine serum insulin level and lipid profile. The result obtained revealed a statistically significant (P<0.05) decrease in blood glucose levels in groups III, IV, IV, and V as compared to the diabetic untreated group. The results of serum total cholesterol revealed a significant decrease in group I and group IV. However, high-density lipoprotein shows a significant decrease in group V as compared to the diabetic untreated group. There was also a statistically significant decrease (P<0.05) in low-density lipoprotein (LDL) levels in groups I, III, and IV when compared with the diabetic untreated group. There was also a statistically significant (p < 0.05) increase in serum insulin level in the normal control group and the group treated with 800mg/kg of extract. This study revealed the potential benefits of the ethanolic extract of Cyperus esculentus tubers in reducing blood glucose levels and its effects in reversing hyperlipidemia associated with diabetes mellitus.
Mallo et al. (Thu,) studied this question.