Biological Activities of Methanolic Extract of Aegle marmelos against HN Protein of Newcastle Disease Virus
2021
Rahat Andleeb | Muhammad Umar Ijaz | Azhar Rafique | Asma Ashraf | Naheed Bano | Nimrah Zafar | Faisal Tasleem | Romina Alina Marc (Vlaic) | Oana Lelia Pop | Hanadi Talal Ahmedah
The current study explores the methanolic extracts of the leaves and fruit of Aegle marmelos (Bael) for their total phenolic content (TPC), total flavonoids content (TFC), antioxidants, and antibiofilms, as well as its in ovo antiviral potential against Newcastle disease virus (NDV). The drug-likeliness thereof and the potential identification of an interaction—their molecular docking of ligands with target proteins by GOLD—was determined in silico using the Swiss ADME software. The total flavonoids content (TFC) was 135.17 ± 2.02 and 111.2 ± 3.67 mg QE/g, while the total phenolics content (TPC) was 185.02 ± 2.15 and 171.13 ± 6.73 mg GAE/g, in the fruit and leaves extracts, respectively. In a DPPH assay, the IC<sub>50</sub> value for the methanolic extracts of leaves and fruit was 63.52 ± 1.48 and 52.06 ± 1.62. μg/mL d.w. The fruit extract of A. marmelos showed significantly higher reducing power (i.e., 59.32 ± 0.05 µmol/g d.w) than the leaves extract (p < 0.05). The biofilm-inhibition activity of the fruit extract of A. marmelos was 65.78 ± 0.65 µg/mL. Both parts of the plant showed potent antiviral potential at higher concentrations. A study in silico, using the molecular docking of three compounds, showed good interaction with the HN protein, with considerable binding affinities and fulfilled docking parameters. This work shows that Aegle marmelos and its phytoconstituents can be used as a potential remedy for NDV.
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