Catechol  −4.5
49  Pinobanksin  −6.4  100  Tyrosol  −4.5
50  Datiscetin  −6.3  101   GTP   −7.9
51  Galangin  −6.3  102   Remdesivir   −7.7

2.1.3.  Docking studies using AutoDock Vina
The energy-minimized structure of all the natural polyphenols, remdesivir, and GTP were docked with the receptor (RdRp of SARS-CoV-2) using AutoDock Vina 1.1.2 (Trott & Olson, 2010). The lig