The effect of oral administration of Carum carvi on weight, serum glucose, and lipid profile in streptozotocin-induced diabetic rats.
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Resumo
OBJECTIVE
To evaluate the effect of oral administration of caraway (Carum carvi) on the blood glucose level, lipid profile, and the weight of diabetic rats.
METHODS
This investigation was carried out in Ahvaz University of Medical Sciences, Ahvaz, Iran between April and June 2010. Twenty-four male Wistar rats weighing 200-250 g were randomly divided into 3 groups: normal, diabetic, and caraway treated diabetic groups and were studied for 3 weeks. Diabetes was induced by intraperitoneal injection of 60 mg/kg body weight streptozotocin. Caraway was given orally at a dose of 1g/kg body weight daily, and the body weight of animals was measured every day. Blood samples were collected and blood glucose levels and lipid profile were determined.
RESULTS
The results showed that oral administration of caraway caused a significant decrease in blood glucose level of treated rats (p = 0.001) and alleviated their body weight loss (p = 0.037). Furthermore, it caused significant decrease in total cholesterol (p = 0.036), and low-density lipoprotein cholesterol levels (p = 0.001) in the treated animals compared with the diabetic control rats, and with no significant change in triglyceride and high-density lipoprotein cholesterol levels.
CONCLUSIONS
Caraway has both antihyperglycemic and hypolipidemic activity in diabetic rats. Nevertheless, it is not recommended before further investigations in animals and humans.
