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Year : 2017  |  Volume : 31  |  Issue : 3  |  Page : 185-189

Effect of Syzygium cumini (jamun) seed powder on glycemic control: A double-blind randomized controlled trial

Medicine Department, SPMC, Bikaner, Rajasthan, India

Correspondence Address:
S Sidana
Room No. 78, P. G. Hostel, Near Haldiram Moolchand Hospital, Bikaner - 334 001, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jms.jms_62_16

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Background: Diabetes mellitus (DM) is an endocrinal disorder characterized by chronic hyperglycemia. Managing DM without side effects is a challenge till date that attracts researchers toward plant-based new products. In some studies, seeds of Syzygium cumini were found to have anti-diabetic and anti-hyperlipidemic properties, attributed to saponins, glycosides, and flavonoids. Hence, it should be further explored for its benefits. Aims and Objectives: To study the effect of jamun seed powder on glycemic control in type 2 DM. Materials and Methods: Patients with type 2 DM and uncontrolled blood sugar (n = 99) were randomly divided into two groups - Group A (n = 50) was supplemented with 10 g/day jamun seed powder and Group B (n = 49) was given placebo powder. Oral hypoglycemic agents (OHAs) were continued as before. Patients and investigators were blinded about the treatment allocated. Fasting plasma glucose (F.P.G.) and post-prandial plasma (P.P.) glucose were noted at baseline and 30th, 60th, and 90th day and HbA1c on 0 and 90th day. Observations and Results: In Group A, F.P.G. decreased by 9%, 18%, and 30% and P.P. glucose by 8%, 15%, and 22% after 30, 60, and 90 days, respectively. In Group B, F.P.G. increased by 3% and P.P. glucose by 2% after 90 days. HbA1c in Group A reduced from 8.99 ± 1.39% to 8.31 ± 1.40% on 90th day (P < 0.05), while a nonsignificant rise from 8.70 ± 1.17% to 9.03 ± 1.31% was noted in Group B. Conclusion: Supplementation with jamun seed powder improves glycemic control significantly in type 2 DM with poorly controlled glycemic levels on diet and OHA. However, before recommendation, multicentric trial with larger sample size, dose, and duration should be planned.

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