flavone derivative Flavones 2 article 2 controlled study 2 drug isolation 2 flavonoid 2 nonhuman 2 plant extract 2 plant leaf 2 priority journal 2 quercetin 2 unclassified drug 2 1,1 diphenyl 2 picrylhydrazyl 1 2',4' dihydroxy 3' methoxychalcone 1 3,7 dimethoxy 5 hydroxyflavone 1 5 hydroxy 3,7,8 trimethoxyflavone 1 5,7 dihydroxyflavone o 8 sulphate 1 Article 1 Dilleniaceae 1 Elaeocarpaceae 1 Flavonoids 1 Glycoside Hydrolase Inhibitors 1 Humans 1 IC50 1 Ligands 1 Malaysia 1 Molecular Docking Simulation 1 Muntingia calabura 1 Muntingia calabura extract 1 Muntingia calabura extract fraction a 1