Abstract
In this study, antioxidative methanolic leaf extract (MeOH-SIS) of Urtica dioica was characterized for anti-diabetic activity. The extract was purified on a column to yield seven homogenous fractions (F1–F7) which were further determined for DPPH radical scavenging activity. MeOH-SIS and the fraction F1 (selected based on % yield and activity) were evaluated for their in vitro α-amylase and α-glucosidase inhibitory activity. The results showed inhibition of both enzymes in a dose dependent manner and F1 exhibited relatively higher inhibition than its mother extract MeOH-SIS. GC–MS analyses of both the extracts identified 24 major compounds among which 10 were previously described as bioactive compounds. Among all, 5 compounds demonstrated to have quality pharmacokinetics profiles and were examined for possible binding affinity against the active sites of α-amylase and α-glucosidase using molecular docking. The binding interaction of 2R-acetoxymethyl-1,3,3-trimethyl-4 T-(3-methyl-2-buten-1-yl)-1 T-cyclohexanol within the active sites of the target receptors was found to be significant among others, and can be developed as a potential inhibitor of α-amylase and α-glucosidase. The leaf extract can be utilized to develop food additive for the control and management of oxidative stress induced diabetes.
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Acknowledgements
We acknowledge Institute of Bioresource and Sustainable Development and Department of Biotechnology, Ministry of Science and Technology, Govt. of India for the funding for conducting the research work.
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The research work was supported by Department of Biotechnology, Govt. of India.
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SS-Conducted the experiments, performed the data analyses and Writing-original draft; SP-performed the data analyses, Writing—original draft, review & editing; RC-performed the data analyses, Writing—original draft; SD-performed the data analyses; SP-Conceptualization, and Writing—review & editing. DS-Conceptualization, Project administration, review & editing. The final manuscript was read and approved by all contributors.
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Sharma, S., Padhi, S., Chourasia, R. et al. Phytoconstituents from Urtica dioica (stinging nettle) of Sikkim Himalaya and their molecular docking interactions revealed their nutraceutical potential as α-amylase and α-glucosidase inhibitors. J Food Sci Technol 60, 2649–2658 (2023). https://doi.org/10.1007/s13197-023-05789-x
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DOI: https://doi.org/10.1007/s13197-023-05789-x