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- Title
Screening chemical inhibitors for alpha-amylase from leaves extracts of Murraya koenigii (Linn.) and Aegle marmelos L.
- Authors
Sangilimuthu, Alagar Yadav; Sivaraman, Thirunavukkarasu; Chandrasekaran, Rajkuberan; Sundaram, Karpagavalli Meenatchi; Ekambaram, Gayathiri
- Abstract
Aqueous leaves extracts of Murraya koenigii (M. koenigii) and Aegle marmelos (A. marmelos) were prepared and effect of the extracts on inhibiting alpha-amylase playing essential roles on converting starch into glucose have been examined using in vitro assays. Alpha amylase inhibitory assay was used to asses the in vitro antidiabetic activity of the extracts. Gas chromatography-mass spectrometry (GC-MS) analysis was performed to identify the volatile molecules of the extracts. Identified molecule were converted as ligand and docked against human pancreatic α-amylase (0.95 Å; PDB ID: 5U3A) using Autodock tool. The data analyzes suggested that the alpha-amylase inhibition potential of the extract obtained from M. koenigii was stronger than that of the A. marmelos at low concentrations (<1 mg/mL), whereas both the extracts depicted similar inhibition effects on the enzyme at high concentration (>1 mg/mL). The phytochemicals present in both the plant extracts were identified by using their respective GC-MS data and the data analyzes revealed that the extracts of M. koenigii and A. Marmelos seemed to consist of about 20 and 24 diverse chemical molecules, respectively. Through the molecular docking studies, azulene of M. koenigii and hydroxycyclodecadiene of A. marmelos showed higher binding affinity on alpha-amylase. Concentration-dependent alpha-amylase inhibition effects of the extracts were observed and M. koenigii contains more alpha-amylase inhibitory effects due to the presence of azulene. This is primary lead to find out the better anti diabetic natural based drug to the society after clinical trial.
- Subjects
IN vitro studies; HYPOGLYCEMIC agents; AMYLASES; GAS chromatography; PHYTOCHEMICALS; LEAVES; MASS spectrometry; PLANT extracts; MOLECULAR docking; ENZYME inhibitors; LIGANDS (Biochemistry); PHARMACODYNAMICS; CHEMICAL inhibitors
- Publication
Journal of Complementary & Integrative Medicine, 2021, Vol 18, Issue 1, p51
- ISSN
1553-3840
- Publication type
Article
- DOI
10.1515/jcim-2019-0345