Antihyperglycemic effects of Pandanus amaryllifolius Roxb. leaf extract
Anchalee Chiabchalard1★, Nattakarn Nooron2★ Corresponding author
- 1Departments of Clinical Chemistry, Faculty of Allied Health Sciences, Center for Excellence in Omics‑Nano Medical Technology Development Project, University, Pathumwan, Bangkok 10330, Thailand.
- 2Graduate Program in Clinical Biochemistry and Molecular Medicine, Faculty of Allied Health Sciences, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand.
CORRESPONDENCE
Anchalee Chiabchalard
Departments of Clinical Chemistry, Faculty of Allied Health Sciences, Center for Excellence in Omics‑Nano Medical Technology Development Project, University, Pathumwan, Bangkok 10330, Thailand.
Received: 18-04-2014; Revised: 09-06-2014.
Volume 11, Issue 41 · pp. 117–122 · PUBLISHED 21 January 2015 · DOI: 10.4103/0973-1296.149724
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ABSTRACT
Background: Diabetes mellitus is one of the leading chronic diseases worldwide. In patients with poor glycemic control, high blood glucose level may lead to other life‑threatening complications. Pandanus amaryllifolius Roxb. (PA) leaves are used in traditional medicine for the treatment of diabetes. Objective: This study evaluated the effect of crude extract from PA leaves on blood glucose level and the hypoglycemic mechanisms. Materials and Methods: Thirty healthy volunteers were asked to drink PA tea (test‑group) or hot water (control group) 15 min after glucose loading (75 g) in a standard oral glucose tolerance test. To study hypoglycemic mechanisms, PA leaves were extracted using two different methods. Method 1; dried PA leaves were extracted with distilled water at 90°C for 15 min, and method 2; dried PA leaves were extracted with 95% ethanol. Both PA extracts were tested for α‑glucosidase enzyme inhibition, insulin stimulation, and glucose uptake stimulation. Results: The average of blood glucose level in the control group was 5.55 ± 0.98 mmol/l, while in PA treated group was 6.16 ± 0.79 mmol/l which were statistically different (P < 0.001). The results of antihyperglycemic mechanism showed that PA extracts, prepared both methods, could inhibit α‑glucosidase enzyme and induce insulin production in rat pancreatic cell (RINm5F) in dose‑dependent manner (P < 0.05). Conclusions: The knowledge gained from this research can be used as a basis for a new drug discovery for the treatment of diabetes.
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Chiabchalard, A., & Nooron, N. (2015). Antihyperglycemic effects of Pandanus amaryllifolius Roxb. leaf extract. Pharmacognosy Magazine, 11(41), 117–122. https://doi.org/10.4103/0973-1296.149724