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Short-term Effect of Fresh Pomegranate Juice on Serum Cortisol and Thyroxine in Patients with type 2 Diabetes

[ Vol. 20 , Issue. 5 ]

Author(s):

Saleem Ali Banihani*, Seham M. Makahleh and Zeyad J. El-Akawi   Pages 355 - 360 ( 6 )

Abstract:


Background: The effect of pomegranate juice on type 2 diabetic conditions has been determined in various occasions. However, such an effect on cortisol and thyroxine hormones, which are major controllers of energy metabolism, is not yet revealed.

Objectives: In this study, we intended to measure the short-term effect of fresh pomegranate juice on serum cortisol and thyroxine in patients with type 2 diabetes.

Materials and Methods: This study was a randomized clinical trial in which 89 fasted patients with type 2 diabetes were supplemented with fresh pomegranate juice at a dose of 1.5 mL kg-1. Blood specimens were then collected before and at 1 and 3 hours after juice administration. Serum cortisol and thyroxine were assessed using commercial chemiluminescent-immunoassay kits.

Results: Serum cortisol, but not thyroxine, was significantly (P < 0.0001) lower in patients with type 2 diabetes after ingesting fresh pomegranate juice. In addition, no significant correlation (r2 = 0.00003, P = 0.9569) was observed between cortisol response to fresh pomegranate juice and the level of fasting serum glucose in the recruited patients. Moreover, no significant difference (P = 0.9118) in cortisol response to fresh pomegranate juice was found between recruited males and females.

Conclusions: In conclusion, fresh pomegranate juice decreased serum cortisol, 1 hour after juice ingestion, but not serum thyroxine 3 hours after juice ingestion, in patients with type 2 diabetes. In addition, cortisol response to fresh pomegranate juice was found not to be affected by patients’ gender and the level of fasting serum glucose.

Keywords:

Pomegranate juice, cortisol, thyroxine, type 2 diabetes, clinical trials.

Affiliation:

Department of Medical Laboratory Sciences, Jordan University of Science and Technology, Irbid 22110, Department of Medical Laboratory Sciences, Jordan University of Science and Technology, Irbid 22110, Department of Physiology and Biochemistry, Jordan University of Science and Technology, Irbid 22110



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