Copyright (c) 2026 Sarojini Nayak

This work is licensed under a Creative Commons Attribution 4.0 International License.
In vitro Antioxidant and Antidiabetic Activity of Solvent Extracts from Aerial Parts of Polygonum plebeium R. Br.
Corresponding Author(s) : Sarojini Nayak
Asian Journal of Chemistry,
Vol. 38 No. 5 (2026): Vol 38, Issue 5, 2026
Abstract
This study investigated the aerial parts of Polygonum plebeium for their phytochemical composition, antioxidant potential, in vitro cytotoxicity and glucose uptake activity in yeast cells. Different solvent extracts, namely petroleum ether, chloroform, ethyl acetate, ethanol and aqueous, were evaluated. Antioxidant activity was assessed using DPPH, hydrogen peroxide scavenging and reducing power assays. HPLC analysis of the ethanol extract indicated the presence of several bioactive constituents with distinct retention times. Cytotoxicity studies on human pancreatic Min6 cells showed values of 59 ± 0.84% and 79 ± 0.78% for ethanol and ethyl acetate extracts, respectively, at 800 µg/mL. Among all tested extracts, the ethanol extract demonstrated the strongest antioxidant and antidiabetic potential. These findings suggest that the aerial parts of P. plebeium possess promising hypoglycemic activity and may serve as a potential natural source for diabetes management.
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K. Wagh, A. Kirpich and G. Chowell, J. Clin. Med., 14, 3364 (2025); https://doi.org/10.3390/jcm14103364
S. Bastaki, Int. J. Diabetes Metab., 13, 111 (2005); https://doi.org/10.1159/000497580
S. Nayak, D.M. Kar and N.S.K. Choudhury, World J. Pharm. Sci. Res., 3, 307 (2024); https://doi.org/10.5281/zenodo.14576685
J.F. Alarcon‐Aguilar, R. Roman‐Ramos, J.L. Flores‐Saenz and F. Aguirre‐Garcia, Phytother. Res., 16, 383 (2002); https://doi.org/10.1002/ptr.914
A. Ramachandran, Indian J. Med. Res., 140, 579 (2014).
M. Khalid, M.H. Alqarni, A. Alsayari, A.I. Foudah, T.M. Aljarba, M. Mukim, M.A. Alamri, S.S. Abullais and S. Wahab, Plants, 11, 562 (2022); https://doi.org/10.3390/plants11040562
M.R. Bhandari, N. Jong-Anurakkun, G. Hong and J. Kawabata, Food Chem., 106, 247 (2008); https://doi.org/10.1016/j.foodchem.2007.05.077.
M. Jung, M. Park, H.C. Lee, Y.H. Kang, E.S. Kang and S.K. Kim, Curr. Med. Chem., 13, 1203 (2006); https://doi.org/10.2174/092986706776360860
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